19628260

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1601}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 41312376

約数和(自身を除く): 21684116

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1601, 2452, 3065, 3202, 6130, 6404, 8005, 12260, 16010, 32020, 981413, 1962826, 3925652, 4907065, 9814130, 19628260]

約数ペア:

[(1, 19628260), (2, 9814130), (4, 4907065), (5, 3925652), (10, 1962826), (20, 981413), (613, 32020), (1226, 16010), (1601, 12260), (2452, 8005), (3065, 6404), (3202, 6130)]