18319140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 67721472

約数和(自身を除く): 49402332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 67, 70, 84, 90, 93, 98, 105, 124, 126, 134, 140, 147, 155, 180, 186, 196, 201, 210, 217, 245, 252, 268, 279, 294, 310, 315, 335, 372, 402, 420, 434, 441, 465, 469, 490, 558, 588, 603, 620, 630, 651, 670, 735, 804, 868, 882, 930, 938, 980, 1005, 1085, 1116, 1206, 1260, 1302, 1340, 1395, 1407, 1470, 1519, 1764, 1860, 1876, 1953, 2010, 2077, 2170, 2205, 2345, 2412, 2604, 2790, 2814, 2940, 3015, 3038, 3255, 3283, 3906, 4020, 4154, 4221, 4340, 4410, 4557, 4690, 5580, 5628, 6030, 6076, 6231, 6510, 6566, 7035, 7595, 7812, 8308, 8442, 8820, 9114, 9380, 9765, 9849, 10385, 12060, 12462, 13020, 13132, 13671, 14070, 14539, 15190, 16415, 16884, 18228, 18693, 19530, 19698, 20770, 21105, 22785, 24924, 27342, 28140, 29078, 29547, 30380, 31155, 32830, 37386, 39060, 39396, 41540, 42210, 43617, 45570, 49245, 54684, 58156, 59094, 62310, 65660, 68355, 72695, 74772, 84420, 87234, 91140, 93465, 98490, 101773, 118188, 124620, 130851, 136710, 145390, 147735, 174468, 186930, 196980, 203546, 218085, 261702, 273420, 290780, 295470, 305319, 373860, 407092, 436170, 508865, 523404, 590940, 610638, 654255, 872340, 915957, 1017730, 1221276, 1308510, 1526595, 1831914, 2035460, 2617020, 3053190, 3663828, 4579785, 6106380, 9159570, 18319140]

約数ペア:

[(1, 18319140), (2, 9159570), (3, 6106380), (4, 4579785), (5, 3663828), (6, 3053190), (7, 2617020), (9, 2035460), (10, 1831914), (12, 1526595), (14, 1308510), (15, 1221276), (18, 1017730), (20, 915957), (21, 872340), (28, 654255), (30, 610638), (31, 590940), (35, 523404), (36, 508865), (42, 436170), (45, 407092), (49, 373860), (60, 305319), (62, 295470), (63, 290780), (67, 273420), (70, 261702), (84, 218085), (90, 203546), (93, 196980), (98, 186930), (105, 174468), (124, 147735), (126, 145390), (134, 136710), (140, 130851), (147, 124620), (155, 118188), (180, 101773), (186, 98490), (196, 93465), (201, 91140), (210, 87234), (217, 84420), (245, 74772), (252, 72695), (268, 68355), (279, 65660), (294, 62310), (310, 59094), (315, 58156), (335, 54684), (372, 49245), (402, 45570), (420, 43617), (434, 42210), (441, 41540), (465, 39396), (469, 39060), (490, 37386), (558, 32830), (588, 31155), (603, 30380), (620, 29547), (630, 29078), (651, 28140), (670, 27342), (735, 24924), (804, 22785), (868, 21105), (882, 20770), (930, 19698), (938, 19530), (980, 18693), (1005, 18228), (1085, 16884), (1116, 16415), (1206, 15190), (1260, 14539), (1302, 14070), (1340, 13671), (1395, 13132), (1407, 13020), (1470, 12462), (1519, 12060), (1764, 10385), (1860, 9849), (1876, 9765), (1953, 9380), (2010, 9114), (2077, 8820), (2170, 8442), (2205, 8308), (2345, 7812), (2412, 7595), (2604, 7035), (2790, 6566), (2814, 6510), (2940, 6231), (3015, 6076), (3038, 6030), (3255, 5628), (3283, 5580), (3906, 4690), (4020, 4557), (4154, 4410), (4221, 4340)]