19207630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 37775808

約数和(自身を除く): 18568178

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2081, 4162, 4615, 9230, 10405, 20810, 27053, 54106, 135265, 147751, 270530, 295502, 738755, 1477510, 1920763, 3841526, 9603815, 19207630]

約数ペア:

[(1, 19207630), (2, 9603815), (5, 3841526), (10, 1920763), (13, 1477510), (26, 738755), (65, 295502), (71, 270530), (130, 147751), (142, 135265), (355, 54106), (710, 27053), (923, 20810), (1846, 10405), (2081, 9230), (4162, 4615)]