19997692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34961}}^1$

素因数の和:34989

約数の個数: 24

約数和(自身を含む): 41115312

約数和(自身を除く): 21117620

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34961, 69922, 139844, 384571, 454493, 769142, 908986, 1538284, 1817972, 4999423, 9998846, 19997692]

約数ペア:

[(1, 19997692), (2, 9998846), (4, 4999423), (11, 1817972), (13, 1538284), (22, 908986), (26, 769142), (44, 454493), (52, 384571), (143, 139844), (286, 69922), (572, 34961)]