19866390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2089}}^1$

素因数の和:2416

約数の個数: 32

約数和(自身を含む): 47852640

約数和(自身を除く): 27986250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 317, 634, 951, 1585, 1902, 2089, 3170, 4178, 4755, 6267, 9510, 10445, 12534, 20890, 31335, 62670, 662213, 1324426, 1986639, 3311065, 3973278, 6622130, 9933195, 19866390]

約数ペア:

[(1, 19866390), (2, 9933195), (3, 6622130), (5, 3973278), (6, 3311065), (10, 1986639), (15, 1324426), (30, 662213), (317, 62670), (634, 31335), (951, 20890), (1585, 12534), (1902, 10445), (2089, 9510), (3170, 6267), (4178, 4755)]