19748183

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 25589760

約数和(自身を除く): 5841577

約数列:

[1, 7, 13, 41, 67, 79, 91, 287, 469, 533, 553, 871, 1027, 2747, 3239, 3731, 5293, 6097, 7189, 19229, 22673, 35711, 37051, 42107, 68809, 217013, 249977, 294749, 481663, 1519091, 2821169, 19748183]

約数ペア:

[(1, 19748183), (7, 2821169), (13, 1519091), (41, 481663), (67, 294749), (79, 249977), (91, 217013), (287, 68809), (469, 42107), (533, 37051), (553, 35711), (871, 22673), (1027, 19229), (2747, 7189), (3239, 6097), (3731, 5293)]