19437080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37379}}^1$

素因数の和:37403

約数の個数: 32

約数和(自身を含む): 47098800

約数和(自身を除く): 27661720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37379, 74758, 149516, 186895, 299032, 373790, 485927, 747580, 971854, 1495160, 1943708, 2429635, 3887416, 4859270, 9718540, 19437080]

約数ペア:

[(1, 19437080), (2, 9718540), (4, 4859270), (5, 3887416), (8, 2429635), (10, 1943708), (13, 1495160), (20, 971854), (26, 747580), (40, 485927), (52, 373790), (65, 299032), (104, 186895), (130, 149516), (260, 74758), (520, 37379)]