18550710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 51068160

約数和(自身を除く): 32517450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 61, 62, 90, 93, 109, 122, 155, 183, 186, 218, 279, 305, 310, 327, 366, 465, 545, 549, 558, 610, 654, 915, 930, 981, 1090, 1098, 1395, 1635, 1830, 1891, 1962, 2745, 2790, 3270, 3379, 3782, 4905, 5490, 5673, 6649, 6758, 9455, 9810, 10137, 11346, 13298, 16895, 17019, 18910, 19947, 20274, 28365, 30411, 33245, 33790, 34038, 39894, 50685, 56730, 59841, 60822, 66490, 85095, 99735, 101370, 119682, 152055, 170190, 199470, 206119, 299205, 304110, 412238, 598410, 618357, 1030595, 1236714, 1855071, 2061190, 3091785, 3710142, 6183570, 9275355, 18550710]

約数ペア:

[(1, 18550710), (2, 9275355), (3, 6183570), (5, 3710142), (6, 3091785), (9, 2061190), (10, 1855071), (15, 1236714), (18, 1030595), (30, 618357), (31, 598410), (45, 412238), (61, 304110), (62, 299205), (90, 206119), (93, 199470), (109, 170190), (122, 152055), (155, 119682), (183, 101370), (186, 99735), (218, 85095), (279, 66490), (305, 60822), (310, 59841), (327, 56730), (366, 50685), (465, 39894), (545, 34038), (549, 33790), (558, 33245), (610, 30411), (654, 28365), (915, 20274), (930, 19947), (981, 18910), (1090, 17019), (1098, 16895), (1395, 13298), (1635, 11346), (1830, 10137), (1891, 9810), (1962, 9455), (2745, 6758), (2790, 6649), (3270, 5673), (3379, 5490), (3782, 4905)]