19005772220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{941}}^1\times {\mathrm{24631}}^1$

素因数の和:25622

約数の個数: 48

約数和(自身を含む): 40930698816

約数和(自身を除く): 21924926596

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 941, 1882, 3764, 4705, 9410, 18820, 24631, 38581, 49262, 77162, 98524, 123155, 154324, 192905, 246310, 385810, 492620, 771620, 1009871, 2019742, 4039484, 5049355, 10098710, 20197420, 23177771, 46355542, 92711084, 115888855, 231777710, 463555420, 950288611, 1900577222, 3801154444, 4751443055, 9502886110, 19005772220]

約数ペア:

[(1, 19005772220), (2, 9502886110), (4, 4751443055), (5, 3801154444), (10, 1900577222), (20, 950288611), (41, 463555420), (82, 231777710), (164, 115888855), (205, 92711084), (410, 46355542), (820, 23177771), (941, 20197420), (1882, 10098710), (3764, 5049355), (4705, 4039484), (9410, 2019742), (18820, 1009871), (24631, 771620), (38581, 492620), (49262, 385810), (77162, 246310), (98524, 192905), (123155, 154324)]