19857731220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110320729}}^1$

素因数の和:110320744

約数の個数: 36

約数和(自身を含む): 60235118580

約数和(自身を除く): 40377387360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110320729, 220641458, 330962187, 441282916, 551603645, 661924374, 992886561, 1103207290, 1323848748, 1654810935, 1985773122, 2206414580, 3309621870, 3971546244, 4964432805, 6619243740, 9928865610, 19857731220]

約数ペア:

[(1, 19857731220), (2, 9928865610), (3, 6619243740), (4, 4964432805), (5, 3971546244), (6, 3309621870), (9, 2206414580), (10, 1985773122), (12, 1654810935), (15, 1323848748), (18, 1103207290), (20, 992886561), (30, 661924374), (36, 551603645), (45, 441282916), (60, 330962187), (90, 220641458), (180, 110320729)]