18506125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 25863552

約数和(自身を除く): 7357427

約数列:

[1, 5, 11, 25, 43, 55, 125, 215, 275, 313, 473, 1075, 1375, 1565, 2365, 3443, 5375, 7825, 11825, 13459, 17215, 39125, 59125, 67295, 86075, 148049, 336475, 430375, 740245, 1682375, 3701225, 18506125]

約数ペア:

[(1, 18506125), (5, 3701225), (11, 1682375), (25, 740245), (43, 430375), (55, 336475), (125, 148049), (215, 86075), (275, 67295), (313, 59125), (473, 39125), (1075, 17215), (1375, 13459), (1565, 11825), (2365, 7825), (3443, 5375)]