18816535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 25477632

約数和(自身を除く): 6661097

約数列:

[1, 5, 17, 31, 37, 85, 155, 185, 193, 527, 629, 965, 1147, 2635, 3145, 3281, 5735, 5983, 7141, 16405, 19499, 29915, 35705, 97495, 101711, 121397, 221371, 508555, 606985, 1106855, 3763307, 18816535]

約数ペア:

[(1, 18816535), (5, 3763307), (17, 1106855), (31, 606985), (37, 508555), (85, 221371), (155, 121397), (185, 101711), (193, 97495), (527, 35705), (629, 29915), (965, 19499), (1147, 16405), (2635, 7141), (3145, 5983), (3281, 5735)]