19717412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34471}}^1$

素因数の和:34499

約数の個数: 24

約数和(自身を含む): 40539072

約数和(自身を除く): 20821660

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34471, 68942, 137884, 379181, 448123, 758362, 896246, 1516724, 1792492, 4929353, 9858706, 19717412]

約数ペア:

[(1, 19717412), (2, 9858706), (4, 4929353), (11, 1792492), (13, 1516724), (22, 896246), (26, 758362), (44, 448123), (52, 379181), (143, 137884), (286, 68942), (572, 34471)]