18520717825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{296213}}^1$

素因数の和:296325

約数の個数: 24

約数和(自身を含む): 23911578936

約数和(自身を除く): 5390861111

約数列:

[1, 5, 25, 41, 61, 205, 305, 1025, 1525, 2501, 12505, 62525, 296213, 1481065, 7405325, 12144733, 18068993, 60723665, 90344965, 303618325, 451724825, 740828713, 3704143565, 18520717825]

約数ペア:

[(1, 18520717825), (5, 3704143565), (25, 740828713), (41, 451724825), (61, 303618325), (205, 90344965), (305, 60723665), (1025, 18068993), (1525, 12144733), (2501, 7405325), (12505, 1481065), (62525, 296213)]