19388260

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1613}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 40808376

約数和(自身を除く): 21420116

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 1613, 2404, 3005, 3226, 6010, 6452, 8065, 12020, 16130, 32260, 969413, 1938826, 3877652, 4847065, 9694130, 19388260]

約数ペア:

[(1, 19388260), (2, 9694130), (4, 4847065), (5, 3877652), (10, 1938826), (20, 969413), (601, 32260), (1202, 16130), (1613, 12020), (2404, 8065), (3005, 6452), (3226, 6010)]