19164304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70457}}^1$

素因数の和:70482

約数の個数: 20

約数和(自身を含む): 39315564

約数和(自身を除く): 20151260

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70457, 140914, 281828, 563656, 1127312, 1197769, 2395538, 4791076, 9582152, 19164304]

約数ペア:

[(1, 19164304), (2, 9582152), (4, 4791076), (8, 2395538), (16, 1197769), (17, 1127312), (34, 563656), (68, 281828), (136, 140914), (272, 70457)]