19221968

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4157}}^1$

素因数の和:4199

約数の個数: 30

約数和(自身を含む): 39571686

約数和(自身を除く): 20349718

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4157, 4624, 8314, 16628, 33256, 66512, 70669, 141338, 282676, 565352, 1130704, 1201373, 2402746, 4805492, 9610984, 19221968]

約数ペア:

[(1, 19221968), (2, 9610984), (4, 4805492), (8, 2402746), (16, 1201373), (17, 1130704), (34, 565352), (68, 282676), (136, 141338), (272, 70669), (289, 66512), (578, 33256), (1156, 16628), (2312, 8314), (4157, 4624)]