18949325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 24775200

約数和(自身を除く): 5825875

約数列:

[1, 5, 25, 29, 59, 145, 295, 443, 725, 1475, 1711, 2215, 8555, 11075, 12847, 26137, 42775, 64235, 130685, 321175, 653425, 757973, 3789865, 18949325]

約数ペア:

[(1, 18949325), (5, 3789865), (25, 757973), (29, 653425), (59, 321175), (145, 130685), (295, 64235), (443, 42775), (725, 26137), (1475, 12847), (1711, 11075), (2215, 8555)]