18522790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12953}}^1$

素因数の和:12984

約数の個数: 32

約数和(自身を含む): 39172896

約数和(自身を除く): 20650106

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12953, 25906, 64765, 129530, 142483, 168389, 284966, 336778, 712415, 841945, 1424830, 1683890, 1852279, 3704558, 9261395, 18522790]

約数ペア:

[(1, 18522790), (2, 9261395), (5, 3704558), (10, 1852279), (11, 1683890), (13, 1424830), (22, 841945), (26, 712415), (55, 336778), (65, 284966), (110, 168389), (130, 142483), (143, 129530), (286, 64765), (715, 25906), (1430, 12953)]