19808570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1069}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 38134800

約数和(自身を除く): 18326230

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1069, 1090, 1853, 2138, 3706, 5345, 9265, 10690, 18173, 18530, 36346, 90865, 116521, 181730, 233042, 582605, 1165210, 1980857, 3961714, 9904285, 19808570]

約数ペア:

[(1, 19808570), (2, 9904285), (5, 3961714), (10, 1980857), (17, 1165210), (34, 582605), (85, 233042), (109, 181730), (170, 116521), (218, 90865), (545, 36346), (1069, 18530), (1090, 18173), (1853, 10690), (2138, 9265), (3706, 5345)]