18652620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 41827380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 499, 534, 623, 890, 998, 1068, 1246, 1335, 1497, 1780, 1869, 1996, 2492, 2495, 2670, 2994, 3115, 3493, 3738, 4990, 5340, 5988, 6230, 6986, 7476, 7485, 9345, 9980, 10479, 12460, 13972, 14970, 17465, 18690, 20958, 29940, 34930, 37380, 41916, 44411, 52395, 69860, 88822, 104790, 133233, 177644, 209580, 222055, 266466, 310877, 444110, 532932, 621754, 666165, 888220, 932631, 1243508, 1332330, 1554385, 1865262, 2664660, 3108770, 3730524, 4663155, 6217540, 9326310, 18652620]

約数ペア:

[(1, 18652620), (2, 9326310), (3, 6217540), (4, 4663155), (5, 3730524), (6, 3108770), (7, 2664660), (10, 1865262), (12, 1554385), (14, 1332330), (15, 1243508), (20, 932631), (21, 888220), (28, 666165), (30, 621754), (35, 532932), (42, 444110), (60, 310877), (70, 266466), (84, 222055), (89, 209580), (105, 177644), (140, 133233), (178, 104790), (210, 88822), (267, 69860), (356, 52395), (420, 44411), (445, 41916), (499, 37380), (534, 34930), (623, 29940), (890, 20958), (998, 18690), (1068, 17465), (1246, 14970), (1335, 13972), (1497, 12460), (1780, 10479), (1869, 9980), (1996, 9345), (2492, 7485), (2495, 7476), (2670, 6986), (2994, 6230), (3115, 5988), (3493, 5340), (3738, 4990)]