18449600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:922

約数の個数: 84

約数和(自身を含む): 48944784

約数和(自身を除く): 30495184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 887, 1040, 1300, 1600, 1774, 2080, 2600, 3548, 4160, 4435, 5200, 7096, 8870, 10400, 11531, 14192, 17740, 20800, 22175, 23062, 28384, 35480, 44350, 46124, 56768, 57655, 70960, 88700, 92248, 115310, 141920, 177400, 184496, 230620, 283840, 288275, 354800, 368992, 461240, 576550, 709600, 737984, 922480, 1153100, 1419200, 1844960, 2306200, 3689920, 4612400, 9224800, 18449600]

約数ペア:

[(1, 18449600), (2, 9224800), (4, 4612400), (5, 3689920), (8, 2306200), (10, 1844960), (13, 1419200), (16, 1153100), (20, 922480), (25, 737984), (26, 709600), (32, 576550), (40, 461240), (50, 368992), (52, 354800), (64, 288275), (65, 283840), (80, 230620), (100, 184496), (104, 177400), (130, 141920), (160, 115310), (200, 92248), (208, 88700), (260, 70960), (320, 57655), (325, 56768), (400, 46124), (416, 44350), (520, 35480), (650, 28384), (800, 23062), (832, 22175), (887, 20800), (1040, 17740), (1300, 14192), (1600, 11531), (1774, 10400), (2080, 8870), (2600, 7096), (3548, 5200), (4160, 4435)]