18543685

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 24292296

約数和(自身を除く): 5748611

約数列:

[1, 5, 17, 41, 85, 205, 289, 313, 697, 1445, 1565, 3485, 5321, 11849, 12833, 26605, 59245, 64165, 90457, 218161, 452285, 1090805, 3708737, 18543685]

約数ペア:

[(1, 18543685), (5, 3708737), (17, 1090805), (41, 452285), (85, 218161), (205, 90457), (289, 64165), (313, 59245), (697, 26605), (1445, 12833), (1565, 11849), (3485, 5321)]