19306020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4073}}^1$

素因数の和:4164

約数の個数: 48

約数和(自身を含む): 54754560

約数和(自身を除く): 35448540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4073, 4740, 8146, 12219, 16292, 20365, 24438, 40730, 48876, 61095, 81460, 122190, 244380, 321767, 643534, 965301, 1287068, 1608835, 1930602, 3217670, 3861204, 4826505, 6435340, 9653010, 19306020]

約数ペア:

[(1, 19306020), (2, 9653010), (3, 6435340), (4, 4826505), (5, 3861204), (6, 3217670), (10, 1930602), (12, 1608835), (15, 1287068), (20, 965301), (30, 643534), (60, 321767), (79, 244380), (158, 122190), (237, 81460), (316, 61095), (395, 48876), (474, 40730), (790, 24438), (948, 20365), (1185, 16292), (1580, 12219), (2370, 8146), (4073, 4740)]