18117450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 55517280

約数和(自身を除く): 37399830

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 38, 39, 45, 50, 57, 65, 75, 78, 90, 95, 114, 117, 130, 150, 163, 171, 190, 195, 225, 234, 247, 285, 325, 326, 342, 390, 450, 475, 489, 494, 570, 585, 650, 741, 815, 855, 950, 975, 978, 1170, 1235, 1425, 1467, 1482, 1630, 1710, 1950, 2119, 2223, 2445, 2470, 2850, 2925, 2934, 3097, 3705, 4075, 4238, 4275, 4446, 4890, 5850, 6175, 6194, 6357, 7335, 7410, 8150, 8550, 9291, 10595, 11115, 12225, 12350, 12714, 14670, 15485, 18525, 18582, 19071, 21190, 22230, 24450, 27873, 30970, 31785, 36675, 37050, 38142, 40261, 46455, 52975, 55575, 55746, 63570, 73350, 77425, 80522, 92910, 95355, 105950, 111150, 120783, 139365, 154850, 158925, 190710, 201305, 232275, 241566, 278730, 317850, 362349, 402610, 464550, 476775, 603915, 696825, 724698, 953550, 1006525, 1207830, 1393650, 1811745, 2013050, 3019575, 3623490, 6039150, 9058725, 18117450]

約数ペア:

[(1, 18117450), (2, 9058725), (3, 6039150), (5, 3623490), (6, 3019575), (9, 2013050), (10, 1811745), (13, 1393650), (15, 1207830), (18, 1006525), (19, 953550), (25, 724698), (26, 696825), (30, 603915), (38, 476775), (39, 464550), (45, 402610), (50, 362349), (57, 317850), (65, 278730), (75, 241566), (78, 232275), (90, 201305), (95, 190710), (114, 158925), (117, 154850), (130, 139365), (150, 120783), (163, 111150), (171, 105950), (190, 95355), (195, 92910), (225, 80522), (234, 77425), (247, 73350), (285, 63570), (325, 55746), (326, 55575), (342, 52975), (390, 46455), (450, 40261), (475, 38142), (489, 37050), (494, 36675), (570, 31785), (585, 30970), (650, 27873), (741, 24450), (815, 22230), (855, 21190), (950, 19071), (975, 18582), (978, 18525), (1170, 15485), (1235, 14670), (1425, 12714), (1467, 12350), (1482, 12225), (1630, 11115), (1710, 10595), (1950, 9291), (2119, 8550), (2223, 8150), (2445, 7410), (2470, 7335), (2850, 6357), (2925, 6194), (2934, 6175), (3097, 5850), (3705, 4890), (4075, 4446), (4238, 4275)]