18186840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1031}}^1$

素因数の和:1062

約数の個数: 144

約数和(自身を含む): 68824080

約数和(自身を除く): 50637240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1031, 1176, 1260, 1470, 1764, 1960, 2062, 2205, 2520, 2940, 3093, 3528, 4124, 4410, 5155, 5880, 6186, 7217, 8248, 8820, 9279, 10310, 12372, 14434, 15465, 17640, 18558, 20620, 21651, 24744, 28868, 30930, 36085, 37116, 41240, 43302, 46395, 50519, 57736, 61860, 64953, 72170, 74232, 86604, 92790, 101038, 108255, 123720, 129906, 144340, 151557, 173208, 185580, 202076, 216510, 252595, 259812, 288680, 303114, 324765, 371160, 404152, 433020, 454671, 505190, 519624, 606228, 649530, 757785, 866040, 909342, 1010380, 1212456, 1299060, 1515570, 1818684, 2020760, 2273355, 2598120, 3031140, 3637368, 4546710, 6062280, 9093420, 18186840]

約数ペア:

[(1, 18186840), (2, 9093420), (3, 6062280), (4, 4546710), (5, 3637368), (6, 3031140), (7, 2598120), (8, 2273355), (9, 2020760), (10, 1818684), (12, 1515570), (14, 1299060), (15, 1212456), (18, 1010380), (20, 909342), (21, 866040), (24, 757785), (28, 649530), (30, 606228), (35, 519624), (36, 505190), (40, 454671), (42, 433020), (45, 404152), (49, 371160), (56, 324765), (60, 303114), (63, 288680), (70, 259812), (72, 252595), (84, 216510), (90, 202076), (98, 185580), (105, 173208), (120, 151557), (126, 144340), (140, 129906), (147, 123720), (168, 108255), (180, 101038), (196, 92790), (210, 86604), (245, 74232), (252, 72170), (280, 64953), (294, 61860), (315, 57736), (360, 50519), (392, 46395), (420, 43302), (441, 41240), (490, 37116), (504, 36085), (588, 30930), (630, 28868), (735, 24744), (840, 21651), (882, 20620), (980, 18558), (1031, 17640), (1176, 15465), (1260, 14434), (1470, 12372), (1764, 10310), (1960, 9279), (2062, 8820), (2205, 8248), (2520, 7217), (2940, 6186), (3093, 5880), (3528, 5155), (4124, 4410)]