19790394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{727}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 42806400

約数和(自身を除く): 23016006

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 349, 698, 727, 1047, 1454, 2094, 2181, 4362, 4537, 9074, 9451, 13611, 18902, 27222, 28353, 56706, 253723, 507446, 761169, 1522338, 3298399, 6596798, 9895197, 19790394]

約数ペア:

[(1, 19790394), (2, 9895197), (3, 6596798), (6, 3298399), (13, 1522338), (26, 761169), (39, 507446), (78, 253723), (349, 56706), (698, 28353), (727, 27222), (1047, 18902), (1454, 13611), (2094, 9451), (2181, 9074), (4362, 4537)]