19730608

素因数分解:

$2^4\times {\mathrm{17}}^3\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 40

約数和(自身を含む): 40778640

約数和(自身を除く): 21048032

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 251, 272, 289, 502, 578, 1004, 1156, 2008, 2312, 4016, 4267, 4624, 4913, 8534, 9826, 17068, 19652, 34136, 39304, 68272, 72539, 78608, 145078, 290156, 580312, 1160624, 1233163, 2466326, 4932652, 9865304, 19730608]

約数ペア:

[(1, 19730608), (2, 9865304), (4, 4932652), (8, 2466326), (16, 1233163), (17, 1160624), (34, 580312), (68, 290156), (136, 145078), (251, 78608), (272, 72539), (289, 68272), (502, 39304), (578, 34136), (1004, 19652), (1156, 17068), (2008, 9826), (2312, 8534), (4016, 4913), (4267, 4624)]