18537140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54521}}^1$

素因数の和:54547

約数の個数: 24

約数和(自身を含む): 41218632

約数和(自身を除く): 22681492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54521, 109042, 218084, 272605, 545210, 926857, 1090420, 1853714, 3707428, 4634285, 9268570, 18537140]

約数ペア:

[(1, 18537140), (2, 9268570), (4, 4634285), (5, 3707428), (10, 1853714), (17, 1090420), (20, 926857), (34, 545210), (68, 272605), (85, 218084), (170, 109042), (340, 54521)]