19183888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70529}}^1$

素因数の和:70554

約数の個数: 20

約数和(自身を含む): 39355740

約数和(自身を除く): 20171852

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70529, 141058, 282116, 564232, 1128464, 1198993, 2397986, 4795972, 9591944, 19183888]

約数ペア:

[(1, 19183888), (2, 9591944), (4, 4795972), (8, 2397986), (16, 1198993), (17, 1128464), (34, 564232), (68, 282116), (136, 141058), (272, 70529)]