19925697

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10763583

約数列:

[1, 3, 11, 29, 33, 47, 87, 141, 319, 443, 517, 957, 1329, 1363, 1551, 4089, 4873, 12847, 14619, 14993, 20821, 38541, 44979, 62463, 141317, 229031, 423951, 603809, 687093, 1811427, 6641899, 19925697]

約数ペア:

[(1, 19925697), (3, 6641899), (11, 1811427), (29, 687093), (33, 603809), (47, 423951), (87, 229031), (141, 141317), (319, 62463), (443, 44979), (517, 38541), (957, 20821), (1329, 14993), (1363, 14619), (1551, 12847), (4089, 4873)]