19873304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4261}}^1$

素因数の和:4331

約数の個数: 32

約数和(自身を含む): 41426640

約数和(自身を除く): 21553336

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4261, 4664, 8522, 17044, 34088, 46871, 93742, 187484, 225833, 374968, 451666, 903332, 1806664, 2484163, 4968326, 9936652, 19873304]

約数ペア:

[(1, 19873304), (2, 9936652), (4, 4968326), (8, 2484163), (11, 1806664), (22, 903332), (44, 451666), (53, 374968), (88, 225833), (106, 187484), (212, 93742), (424, 46871), (583, 34088), (1166, 17044), (2332, 8522), (4261, 4664)]