19909461

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4219}}^1$

素因数の和:4257

約数の個数: 24

約数和(自身を含む): 31430560

約数和(自身を除く): 11521099

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4219, 4719, 12657, 46409, 54847, 139227, 164541, 510499, 603317, 1531497, 1809951, 6636487, 19909461]

約数ペア:

[(1, 19909461), (3, 6636487), (11, 1809951), (13, 1531497), (33, 603317), (39, 510499), (121, 164541), (143, 139227), (363, 54847), (429, 46409), (1573, 12657), (4219, 4719)]