18152680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4987}}^1$

素因数の和:5018

約数の個数: 64

約数和(自身を含む): 50279040

約数和(自身を除く): 32126360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4987, 9974, 19948, 24935, 34909, 39896, 49870, 64831, 69818, 99740, 129662, 139636, 174545, 199480, 259324, 279272, 324155, 349090, 453817, 518648, 648310, 698180, 907634, 1296620, 1396360, 1815268, 2269085, 2593240, 3630536, 4538170, 9076340, 18152680]

約数ペア:

[(1, 18152680), (2, 9076340), (4, 4538170), (5, 3630536), (7, 2593240), (8, 2269085), (10, 1815268), (13, 1396360), (14, 1296620), (20, 907634), (26, 698180), (28, 648310), (35, 518648), (40, 453817), (52, 349090), (56, 324155), (65, 279272), (70, 259324), (91, 199480), (104, 174545), (130, 139636), (140, 129662), (182, 99740), (260, 69818), (280, 64831), (364, 49870), (455, 39896), (520, 34909), (728, 24935), (910, 19948), (1820, 9974), (3640, 4987)]