18288974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 13851826

約数列:

[1, 2, 11, 17, 22, 34, 79, 158, 187, 374, 619, 869, 1238, 1343, 1738, 2686, 6809, 10523, 13618, 14773, 21046, 29546, 48901, 97802, 115753, 231506, 537911, 831317, 1075822, 1662634, 9144487, 18288974]

約数ペア:

[(1, 18288974), (2, 9144487), (11, 1662634), (17, 1075822), (22, 831317), (34, 537911), (79, 231506), (158, 115753), (187, 97802), (374, 48901), (619, 29546), (869, 21046), (1238, 14773), (1343, 13618), (1738, 10523), (2686, 6809)]