17885380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 21305660

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 359, 470, 530, 718, 940, 1060, 1436, 1795, 2491, 3590, 4982, 7180, 9964, 12455, 16873, 19027, 24910, 33746, 38054, 49820, 67492, 76108, 84365, 95135, 168730, 190270, 337460, 380540, 894269, 1788538, 3577076, 4471345, 8942690, 17885380]

約数ペア:

[(1, 17885380), (2, 8942690), (4, 4471345), (5, 3577076), (10, 1788538), (20, 894269), (47, 380540), (53, 337460), (94, 190270), (106, 168730), (188, 95135), (212, 84365), (235, 76108), (265, 67492), (359, 49820), (470, 38054), (530, 33746), (718, 24910), (940, 19027), (1060, 16873), (1436, 12455), (1795, 9964), (2491, 7180), (3590, 4982)]