19699360

素因数分解:

$2^5\times 5^1\times {\mathrm{123121}}^1$

素因数の和:123136

約数の個数: 24

約数和(自身を含む): 46540116

約数和(自身を除く): 26840756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123121, 246242, 492484, 615605, 984968, 1231210, 1969936, 2462420, 3939872, 4924840, 9849680, 19699360]

約数ペア:

[(1, 19699360), (2, 9849680), (4, 4924840), (5, 3939872), (8, 2462420), (10, 1969936), (16, 1231210), (20, 984968), (32, 615605), (40, 492484), (80, 246242), (160, 123121)]