18076780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 40763520

約数和(自身を除く): 22686740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 673, 790, 1343, 1346, 1580, 2686, 2692, 3365, 5372, 6715, 6730, 11441, 13430, 13460, 22882, 26860, 45764, 53167, 57205, 106334, 114410, 212668, 228820, 265835, 531670, 903839, 1063340, 1807678, 3615356, 4519195, 9038390, 18076780]

約数ペア:

[(1, 18076780), (2, 9038390), (4, 4519195), (5, 3615356), (10, 1807678), (17, 1063340), (20, 903839), (34, 531670), (68, 265835), (79, 228820), (85, 212668), (158, 114410), (170, 106334), (316, 57205), (340, 53167), (395, 45764), (673, 26860), (790, 22882), (1343, 13460), (1346, 13430), (1580, 11441), (2686, 6730), (2692, 6715), (3365, 5372)]