18854820

素因数分解:

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

素因数の和:186

約数の個数: 108

約数和(自身を含む): 59639580

約数和(自身を除く): 40784760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 109, 124, 155, 180, 186, 218, 279, 310, 327, 372, 436, 465, 545, 558, 620, 654, 930, 961, 981, 1090, 1116, 1308, 1395, 1635, 1860, 1922, 1962, 2180, 2790, 2883, 3270, 3379, 3844, 3924, 4805, 4905, 5580, 5766, 6540, 6758, 8649, 9610, 9810, 10137, 11532, 13516, 14415, 16895, 17298, 19220, 19620, 20274, 28830, 30411, 33790, 34596, 40548, 43245, 50685, 57660, 60822, 67580, 86490, 101370, 104749, 121644, 152055, 172980, 202740, 209498, 304110, 314247, 418996, 523745, 608220, 628494, 942741, 1047490, 1256988, 1571235, 1885482, 2094980, 3142470, 3770964, 4713705, 6284940, 9427410, 18854820]

約数ペア:

[(1, 18854820), (2, 9427410), (3, 6284940), (4, 4713705), (5, 3770964), (6, 3142470), (9, 2094980), (10, 1885482), (12, 1571235), (15, 1256988), (18, 1047490), (20, 942741), (30, 628494), (31, 608220), (36, 523745), (45, 418996), (60, 314247), (62, 304110), (90, 209498), (93, 202740), (109, 172980), (124, 152055), (155, 121644), (180, 104749), (186, 101370), (218, 86490), (279, 67580), (310, 60822), (327, 57660), (372, 50685), (436, 43245), (465, 40548), (545, 34596), (558, 33790), (620, 30411), (654, 28830), (930, 20274), (961, 19620), (981, 19220), (1090, 17298), (1116, 16895), (1308, 14415), (1395, 13516), (1635, 11532), (1860, 10137), (1922, 9810), (1962, 9610), (2180, 8649), (2790, 6758), (2883, 6540), (3270, 5766), (3379, 5580), (3844, 4905), (3924, 4805)]