20198918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3163}}^1$

素因数の和:3299

約数の個数: 16

約数和(自身を含む): 31589376

約数和(自身を除く): 11390458

約数列:

[1, 2, 31, 62, 103, 206, 3163, 3193, 6326, 6386, 98053, 196106, 325789, 651578, 10099459, 20198918]

約数ペア:

[(1, 20198918), (2, 10099459), (31, 651578), (62, 325789), (103, 196106), (206, 98053), (3163, 6386), (3193, 6326)]