19423840

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1663}}^1$

素因数の和:1751

約数の個数: 48

約数和(自身を含む): 46545408

約数和(自身を除く): 27121568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1663, 2336, 2920, 3326, 5840, 6652, 8315, 11680, 13304, 16630, 26608, 33260, 53216, 66520, 121399, 133040, 242798, 266080, 485596, 606995, 971192, 1213990, 1942384, 2427980, 3884768, 4855960, 9711920, 19423840]

約数ペア:

[(1, 19423840), (2, 9711920), (4, 4855960), (5, 3884768), (8, 2427980), (10, 1942384), (16, 1213990), (20, 971192), (32, 606995), (40, 485596), (73, 266080), (80, 242798), (146, 133040), (160, 121399), (292, 66520), (365, 53216), (584, 33260), (730, 26608), (1168, 16630), (1460, 13304), (1663, 11680), (2336, 8315), (2920, 6652), (3326, 5840)]