18630690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 52641792

約数和(自身を除く): 34011102

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 31, 39, 46, 62, 65, 67, 69, 78, 93, 115, 130, 134, 138, 155, 186, 195, 201, 230, 299, 310, 335, 345, 390, 402, 403, 465, 598, 670, 690, 713, 806, 871, 897, 930, 1005, 1209, 1426, 1495, 1541, 1742, 1794, 2010, 2015, 2077, 2139, 2418, 2613, 2990, 3082, 3565, 4030, 4154, 4278, 4355, 4485, 4623, 5226, 6045, 6231, 7130, 7705, 8710, 8970, 9246, 9269, 10385, 10695, 12090, 12462, 13065, 15410, 18538, 20033, 20770, 21390, 23115, 26130, 27001, 27807, 31155, 40066, 46230, 46345, 47771, 54002, 55614, 60099, 62310, 81003, 92690, 95542, 100165, 120198, 135005, 139035, 143313, 162006, 200330, 238855, 270010, 278070, 286626, 300495, 405015, 477710, 600990, 621023, 716565, 810030, 1242046, 1433130, 1863069, 3105115, 3726138, 6210230, 9315345, 18630690]

約数ペア:

[(1, 18630690), (2, 9315345), (3, 6210230), (5, 3726138), (6, 3105115), (10, 1863069), (13, 1433130), (15, 1242046), (23, 810030), (26, 716565), (30, 621023), (31, 600990), (39, 477710), (46, 405015), (62, 300495), (65, 286626), (67, 278070), (69, 270010), (78, 238855), (93, 200330), (115, 162006), (130, 143313), (134, 139035), (138, 135005), (155, 120198), (186, 100165), (195, 95542), (201, 92690), (230, 81003), (299, 62310), (310, 60099), (335, 55614), (345, 54002), (390, 47771), (402, 46345), (403, 46230), (465, 40066), (598, 31155), (670, 27807), (690, 27001), (713, 26130), (806, 23115), (871, 21390), (897, 20770), (930, 20033), (1005, 18538), (1209, 15410), (1426, 13065), (1495, 12462), (1541, 12090), (1742, 10695), (1794, 10385), (2010, 9269), (2015, 9246), (2077, 8970), (2139, 8710), (2418, 7705), (2613, 7130), (2990, 6231), (3082, 6045), (3565, 5226), (4030, 4623), (4154, 4485), (4278, 4355)]