19834490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 38658816

約数和(自身を除く): 18824326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 563, 1126, 1355, 2710, 2815, 3523, 5630, 7046, 7319, 14638, 17615, 35230, 36595, 73190, 152573, 305146, 762865, 1525730, 1983449, 3966898, 9917245, 19834490]

約数ペア:

[(1, 19834490), (2, 9917245), (5, 3966898), (10, 1983449), (13, 1525730), (26, 762865), (65, 305146), (130, 152573), (271, 73190), (542, 36595), (563, 35230), (1126, 17615), (1355, 14638), (2710, 7319), (2815, 7046), (3523, 5630)]