19005622280

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2411881}}^1$

素因数の和:2412089

約数の個数: 32

約数和(自身を含む): 42979737240

約数和(自身を除く): 23974114960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 2411881, 4823762, 9647524, 12059405, 19295048, 24118810, 48237620, 96475240, 475140557, 950281114, 1900562228, 2375702785, 3801124456, 4751405570, 9502811140, 19005622280]

約数ペア:

[(1, 19005622280), (2, 9502811140), (4, 4751405570), (5, 3801124456), (8, 2375702785), (10, 1900562228), (20, 950281114), (40, 475140557), (197, 96475240), (394, 48237620), (788, 24118810), (985, 19295048), (1576, 12059405), (1970, 9647524), (3940, 4823762), (7880, 2411881)]