19198388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4003}}^1$

素因数の和:4127

約数の個数: 24

約数和(自身を含む): 36996960

約数和(自身を除く): 17798572

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4003, 4796, 8006, 16012, 44033, 88066, 176132, 436327, 872654, 1745308, 4799597, 9599194, 19198388]

約数ペア:

[(1, 19198388), (2, 9599194), (4, 4799597), (11, 1745308), (22, 872654), (44, 436327), (109, 176132), (218, 88066), (436, 44033), (1199, 16012), (2398, 8006), (4003, 4796)]