18420650

素因数分解:

$2^1\times 5^2\times {\mathrm{601}}^1\times {\mathrm{613}}^1$

素因数の和:1226

約数の個数: 24

約数和(自身を含む): 34375404

約数和(自身を除く): 15954754

約数列:

[1, 2, 5, 10, 25, 50, 601, 613, 1202, 1226, 3005, 3065, 6010, 6130, 15025, 15325, 30050, 30650, 368413, 736826, 1842065, 3684130, 9210325, 18420650]

約数ペア:

[(1, 18420650), (2, 9210325), (5, 3684130), (10, 1842065), (25, 736826), (50, 368413), (601, 30650), (613, 30050), (1202, 15325), (1226, 15025), (3005, 6130), (3065, 6010)]