18761820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 68124672

約数和(自身を除く): 49362852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 60, 62, 66, 70, 77, 84, 93, 105, 110, 124, 131, 132, 140, 154, 155, 165, 186, 210, 217, 220, 231, 262, 308, 310, 330, 341, 372, 385, 393, 420, 434, 462, 465, 524, 620, 651, 655, 660, 682, 770, 786, 868, 917, 924, 930, 1023, 1085, 1155, 1302, 1310, 1364, 1441, 1540, 1572, 1705, 1834, 1860, 1965, 2046, 2170, 2310, 2387, 2604, 2620, 2751, 2882, 3255, 3410, 3668, 3930, 4061, 4092, 4323, 4340, 4585, 4620, 4774, 5115, 5502, 5764, 6510, 6820, 7161, 7205, 7860, 8122, 8646, 9170, 9548, 10087, 10230, 11004, 11935, 12183, 13020, 13755, 14322, 14410, 16244, 17292, 18340, 20174, 20305, 20460, 21615, 23870, 24366, 27510, 28427, 28644, 28820, 30261, 35805, 40348, 40610, 43230, 44671, 47740, 48732, 50435, 55020, 56854, 60522, 60915, 71610, 81220, 85281, 86460, 89342, 100870, 113708, 121044, 121830, 134013, 142135, 143220, 151305, 170562, 178684, 201740, 223355, 243660, 268026, 284270, 302610, 312697, 341124, 426405, 446710, 536052, 568540, 605220, 625394, 670065, 852810, 893420, 938091, 1250788, 1340130, 1563485, 1705620, 1876182, 2680260, 3126970, 3752364, 4690455, 6253940, 9380910, 18761820]

約数ペア:

[(1, 18761820), (2, 9380910), (3, 6253940), (4, 4690455), (5, 3752364), (6, 3126970), (7, 2680260), (10, 1876182), (11, 1705620), (12, 1563485), (14, 1340130), (15, 1250788), (20, 938091), (21, 893420), (22, 852810), (28, 670065), (30, 625394), (31, 605220), (33, 568540), (35, 536052), (42, 446710), (44, 426405), (55, 341124), (60, 312697), (62, 302610), (66, 284270), (70, 268026), (77, 243660), (84, 223355), (93, 201740), (105, 178684), (110, 170562), (124, 151305), (131, 143220), (132, 142135), (140, 134013), (154, 121830), (155, 121044), (165, 113708), (186, 100870), (210, 89342), (217, 86460), (220, 85281), (231, 81220), (262, 71610), (308, 60915), (310, 60522), (330, 56854), (341, 55020), (372, 50435), (385, 48732), (393, 47740), (420, 44671), (434, 43230), (462, 40610), (465, 40348), (524, 35805), (620, 30261), (651, 28820), (655, 28644), (660, 28427), (682, 27510), (770, 24366), (786, 23870), (868, 21615), (917, 20460), (924, 20305), (930, 20174), (1023, 18340), (1085, 17292), (1155, 16244), (1302, 14410), (1310, 14322), (1364, 13755), (1441, 13020), (1540, 12183), (1572, 11935), (1705, 11004), (1834, 10230), (1860, 10087), (1965, 9548), (2046, 9170), (2170, 8646), (2310, 8122), (2387, 7860), (2604, 7205), (2620, 7161), (2751, 6820), (2882, 6510), (3255, 5764), (3410, 5502), (3668, 5115), (3930, 4774), (4061, 4620), (4092, 4585), (4323, 4340)]