18661380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 55050240

約数和(自身を除く): 36388860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 79, 93, 124, 127, 155, 158, 186, 237, 254, 310, 316, 372, 381, 395, 465, 474, 508, 620, 635, 762, 790, 930, 948, 1185, 1270, 1524, 1580, 1860, 1905, 2370, 2449, 2540, 3810, 3937, 4740, 4898, 7347, 7620, 7874, 9796, 10033, 11811, 12245, 14694, 15748, 19685, 20066, 23622, 24490, 29388, 30099, 36735, 39370, 40132, 47244, 48980, 50165, 59055, 60198, 73470, 78740, 100330, 118110, 120396, 146940, 150495, 200660, 236220, 300990, 311023, 601980, 622046, 933069, 1244092, 1555115, 1866138, 3110230, 3732276, 4665345, 6220460, 9330690, 18661380]

約数ペア:

[(1, 18661380), (2, 9330690), (3, 6220460), (4, 4665345), (5, 3732276), (6, 3110230), (10, 1866138), (12, 1555115), (15, 1244092), (20, 933069), (30, 622046), (31, 601980), (60, 311023), (62, 300990), (79, 236220), (93, 200660), (124, 150495), (127, 146940), (155, 120396), (158, 118110), (186, 100330), (237, 78740), (254, 73470), (310, 60198), (316, 59055), (372, 50165), (381, 48980), (395, 47244), (465, 40132), (474, 39370), (508, 36735), (620, 30099), (635, 29388), (762, 24490), (790, 23622), (930, 20066), (948, 19685), (1185, 15748), (1270, 14694), (1524, 12245), (1580, 11811), (1860, 10033), (1905, 9796), (2370, 7874), (2449, 7620), (2540, 7347), (3810, 4898), (3937, 4740)]