18870650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7121}}^1$

素因数の和:7186

約数の個数: 24

約数和(自身を含む): 35766684

約数和(自身を除く): 16896034

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7121, 14242, 35605, 71210, 178025, 356050, 377413, 754826, 1887065, 3774130, 9435325, 18870650]

約数ペア:

[(1, 18870650), (2, 9435325), (5, 3774130), (10, 1887065), (25, 754826), (50, 377413), (53, 356050), (106, 178025), (265, 71210), (530, 35605), (1325, 14242), (2650, 7121)]