19815998

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 30213216

約数和(自身を除く): 10397218

約数列:

[1, 2, 101, 202, 263, 373, 526, 746, 26563, 37673, 53126, 75346, 98099, 196198, 9907999, 19815998]

約数ペア:

[(1, 19815998), (2, 9907999), (101, 196198), (202, 98099), (263, 75346), (373, 53126), (526, 37673), (746, 26563)]