2013986890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{12911}}^1$

素因数の和:13758

約数の個数: 32

約数和(自身を含む): 3820919040

約数和(自身を除く): 1806932150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 821, 1642, 4105, 8210, 12911, 15599, 25822, 31198, 64555, 77995, 129110, 155990, 245309, 490618, 1226545, 2453090, 10599931, 21199862, 52999655, 105999310, 201398689, 402797378, 1006993445, 2013986890]

約数ペア:

[(1, 2013986890), (2, 1006993445), (5, 402797378), (10, 201398689), (19, 105999310), (38, 52999655), (95, 21199862), (190, 10599931), (821, 2453090), (1642, 1226545), (4105, 490618), (8210, 245309), (12911, 155990), (15599, 129110), (25822, 77995), (31198, 64555)]