18973980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:916

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 41566500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 857, 1107, 1230, 1476, 1714, 1845, 2214, 2460, 2571, 3428, 3690, 4285, 4428, 5142, 5535, 7380, 7713, 8570, 10284, 11070, 12855, 15426, 17140, 22140, 23139, 25710, 30852, 35137, 38565, 46278, 51420, 70274, 77130, 92556, 105411, 115695, 140548, 154260, 175685, 210822, 231390, 316233, 351370, 421644, 462780, 527055, 632466, 702740, 948699, 1054110, 1264932, 1581165, 1897398, 2108220, 3162330, 3794796, 4743495, 6324660, 9486990, 18973980]

約数ペア:

[(1, 18973980), (2, 9486990), (3, 6324660), (4, 4743495), (5, 3794796), (6, 3162330), (9, 2108220), (10, 1897398), (12, 1581165), (15, 1264932), (18, 1054110), (20, 948699), (27, 702740), (30, 632466), (36, 527055), (41, 462780), (45, 421644), (54, 351370), (60, 316233), (82, 231390), (90, 210822), (108, 175685), (123, 154260), (135, 140548), (164, 115695), (180, 105411), (205, 92556), (246, 77130), (270, 70274), (369, 51420), (410, 46278), (492, 38565), (540, 35137), (615, 30852), (738, 25710), (820, 23139), (857, 22140), (1107, 17140), (1230, 15426), (1476, 12855), (1714, 11070), (1845, 10284), (2214, 8570), (2460, 7713), (2571, 7380), (3428, 5535), (3690, 5142), (4285, 4428)]