19821870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220243}}^1$

素因数の和:220256

約数の個数: 24

約数和(自身を含む): 51537096

約数和(自身を除く): 31715226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220243, 440486, 660729, 1101215, 1321458, 1982187, 2202430, 3303645, 3964374, 6607290, 9910935, 19821870]

約数ペア:

[(1, 19821870), (2, 9910935), (3, 6607290), (5, 3964374), (6, 3303645), (9, 2202430), (10, 1982187), (15, 1321458), (18, 1101215), (30, 660729), (45, 440486), (90, 220243)]