19312840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16649}}^1$

素因数の和:16689

約数の個数: 32

約数和(自身を含む): 44955000

約数和(自身を除く): 25642160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16649, 33298, 66596, 83245, 133192, 166490, 332980, 482821, 665960, 965642, 1931284, 2414105, 3862568, 4828210, 9656420, 19312840]

約数ペア:

[(1, 19312840), (2, 9656420), (4, 4828210), (5, 3862568), (8, 2414105), (10, 1931284), (20, 965642), (29, 665960), (40, 482821), (58, 332980), (116, 166490), (145, 133192), (232, 83245), (290, 66596), (580, 33298), (1160, 16649)]