17999210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 33312384

約数和(自身を除く): 15313174

約数列:

[1, 2, 5, 10, 71, 101, 142, 202, 251, 355, 502, 505, 710, 1010, 1255, 2510, 7171, 14342, 17821, 25351, 35642, 35855, 50702, 71710, 89105, 126755, 178210, 253510, 1799921, 3599842, 8999605, 17999210]

約数ペア:

[(1, 17999210), (2, 8999605), (5, 3599842), (10, 1799921), (71, 253510), (101, 178210), (142, 126755), (202, 89105), (251, 71710), (355, 50702), (502, 35855), (505, 35642), (710, 25351), (1010, 17821), (1255, 14342), (2510, 7171)]