19005116960

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1334629}}^1$

素因数の和:1334733

約数の個数: 48

約数和(自身を含む): 45404112600

約数和(自身を除く): 26398995640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 1334629, 2669258, 5338516, 6673145, 10677032, 13346290, 21354064, 26692580, 42708128, 53385160, 106770320, 118781981, 213540640, 237563962, 475127924, 593909905, 950255848, 1187819810, 1900511696, 2375639620, 3801023392, 4751279240, 9502558480, 19005116960]

約数ペア:

[(1, 19005116960), (2, 9502558480), (4, 4751279240), (5, 3801023392), (8, 2375639620), (10, 1900511696), (16, 1187819810), (20, 950255848), (32, 593909905), (40, 475127924), (80, 237563962), (89, 213540640), (160, 118781981), (178, 106770320), (356, 53385160), (445, 42708128), (712, 26692580), (890, 21354064), (1424, 13346290), (1780, 10677032), (2848, 6673145), (3560, 5338516), (7120, 2669258), (14240, 1334629)]