19780035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{383}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 34725888

約数和(自身を除く): 14945853

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 313, 383, 939, 1149, 1565, 1915, 3443, 4213, 4695, 5745, 10329, 12639, 17215, 21065, 51645, 63195, 119879, 359637, 599395, 1318669, 1798185, 3956007, 6593345, 19780035]

約数ペア:

[(1, 19780035), (3, 6593345), (5, 3956007), (11, 1798185), (15, 1318669), (33, 599395), (55, 359637), (165, 119879), (313, 63195), (383, 51645), (939, 21065), (1149, 17215), (1565, 12639), (1915, 10329), (3443, 5745), (4213, 4695)]