19930100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4861}}^1$

素因数の和:4916

約数の個数: 36

約数和(自身を含む): 44312268

約数和(自身を除く): 24382168

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 4861, 9722, 19444, 24305, 48610, 97220, 121525, 199301, 243050, 398602, 486100, 797204, 996505, 1993010, 3986020, 4982525, 9965050, 19930100]

約数ペア:

[(1, 19930100), (2, 9965050), (4, 4982525), (5, 3986020), (10, 1993010), (20, 996505), (25, 797204), (41, 486100), (50, 398602), (82, 243050), (100, 199301), (164, 121525), (205, 97220), (410, 48610), (820, 24305), (1025, 19444), (2050, 9722), (4100, 4861)]