18946330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8573}}^1$

素因数の和:8610

約数の個数: 32

約数和(自身を含む): 38891664

約数和(自身を除く): 19945334

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8573, 17146, 42865, 85730, 111449, 145741, 222898, 291482, 557245, 728705, 1114490, 1457410, 1894633, 3789266, 9473165, 18946330]

約数ペア:

[(1, 18946330), (2, 9473165), (5, 3789266), (10, 1894633), (13, 1457410), (17, 1114490), (26, 728705), (34, 557245), (65, 291482), (85, 222898), (130, 145741), (170, 111449), (221, 85730), (442, 42865), (1105, 17146), (2210, 8573)]