18974416

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19441}}^1$

素因数の和:19510

約数の個数: 20

約数和(自身を含む): 37367524

約数和(自身を除く): 18393108

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19441, 38882, 77764, 155528, 311056, 1185901, 2371802, 4743604, 9487208, 18974416]

約数ペア:

[(1, 18974416), (2, 9487208), (4, 4743604), (8, 2371802), (16, 1185901), (61, 311056), (122, 155528), (244, 77764), (488, 38882), (976, 19441)]