20180156408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{397811}}^1$

素因数の和:398207

約数の個数: 32

約数和(自身を含む): 40171055760

約数和(自身を除く): 19990899352

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 373, 746, 1492, 2984, 6341, 12682, 25364, 50728, 397811, 795622, 1591244, 3182488, 6762787, 13525574, 27051148, 54102296, 148383503, 296767006, 593534012, 1187068024, 2522519551, 5045039102, 10090078204, 20180156408]

約数ペア:

[(1, 20180156408), (2, 10090078204), (4, 5045039102), (8, 2522519551), (17, 1187068024), (34, 593534012), (68, 296767006), (136, 148383503), (373, 54102296), (746, 27051148), (1492, 13525574), (2984, 6762787), (6341, 3182488), (12682, 1591244), (25364, 795622), (50728, 397811)]