19663016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 39320640

約数和(自身を除く): 19657624

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 887, 1304, 1774, 2771, 3548, 5542, 7096, 11084, 15079, 22168, 30158, 60316, 120632, 144581, 289162, 578324, 1156648, 2457877, 4915754, 9831508, 19663016]

約数ペア:

[(1, 19663016), (2, 9831508), (4, 4915754), (8, 2457877), (17, 1156648), (34, 578324), (68, 289162), (136, 144581), (163, 120632), (326, 60316), (652, 30158), (887, 22168), (1304, 15079), (1774, 11084), (2771, 7096), (3548, 5542)]