19877624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11243}}^1$

素因数の和:11279

約数の個数: 32

約数和(自身を含む): 42502320

約数和(自身を除く): 22624696

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11243, 22486, 44972, 89944, 146159, 191131, 292318, 382262, 584636, 764524, 1169272, 1529048, 2484703, 4969406, 9938812, 19877624]

約数ペア:

[(1, 19877624), (2, 9938812), (4, 4969406), (8, 2484703), (13, 1529048), (17, 1169272), (26, 764524), (34, 584636), (52, 382262), (68, 292318), (104, 191131), (136, 146159), (221, 89944), (442, 44972), (884, 22486), (1768, 11243)]