19403241

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 31395840

約数和(自身を除く): 11992599

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 1459, 4377, 4433, 13299, 16049, 18967, 45229, 48147, 56901, 135687, 208637, 497519, 587977, 625911, 1492557, 1763931, 6467747, 19403241]

約数ペア:

[(1, 19403241), (3, 6467747), (11, 1763931), (13, 1492557), (31, 625911), (33, 587977), (39, 497519), (93, 208637), (143, 135687), (341, 56901), (403, 48147), (429, 45229), (1023, 18967), (1209, 16049), (1459, 13299), (4377, 4433)]