18998200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7307}}^1$

素因数の和:7336

約数の個数: 48

約数和(自身を含む): 47575080

約数和(自身を除く): 28576880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7307, 14614, 29228, 36535, 58456, 73070, 94991, 146140, 182675, 189982, 292280, 365350, 379964, 474955, 730700, 759928, 949910, 1461400, 1899820, 2374775, 3799640, 4749550, 9499100, 18998200]

約数ペア:

[(1, 18998200), (2, 9499100), (4, 4749550), (5, 3799640), (8, 2374775), (10, 1899820), (13, 1461400), (20, 949910), (25, 759928), (26, 730700), (40, 474955), (50, 379964), (52, 365350), (65, 292280), (100, 189982), (104, 182675), (130, 146140), (200, 94991), (260, 73070), (325, 58456), (520, 36535), (650, 29228), (1300, 14614), (2600, 7307)]