19895243985

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1440119}}^1$

素因数の和:1440437

約数の個数: 24

約数和(自身を含む): 34597442880

約数和(自身を除く): 14702198895

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1535, 2763, 4605, 13815, 1440119, 4320357, 7200595, 12961071, 21601785, 64805355, 442116533, 1326349599, 2210582665, 3979048797, 6631747995, 19895243985]

約数ペア:

[(1, 19895243985), (3, 6631747995), (5, 3979048797), (9, 2210582665), (15, 1326349599), (45, 442116533), (307, 64805355), (921, 21601785), (1535, 12961071), (2763, 7200595), (4605, 4320357), (13815, 1440119)]