19290416

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16981}}^1$

素因数の和:17060

約数の個数: 20

約数和(自身を含む): 37903824

約数和(自身を除く): 18613408

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16981, 33962, 67924, 135848, 271696, 1205651, 2411302, 4822604, 9645208, 19290416]

約数ペア:

[(1, 19290416), (2, 9645208), (4, 4822604), (8, 2411302), (16, 1205651), (71, 271696), (142, 135848), (284, 67924), (568, 33962), (1136, 16981)]