18208250

素因数分解:

$2^1\times 5^3\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 34364304

約数和(自身を除く): 16156054

約数列:

[1, 2, 5, 10, 25, 50, 125, 173, 250, 346, 421, 842, 865, 1730, 2105, 4210, 4325, 8650, 10525, 21050, 21625, 43250, 52625, 72833, 105250, 145666, 364165, 728330, 1820825, 3641650, 9104125, 18208250]

約数ペア:

[(1, 18208250), (2, 9104125), (5, 3641650), (10, 1820825), (25, 728330), (50, 364165), (125, 145666), (173, 105250), (250, 72833), (346, 52625), (421, 43250), (842, 21625), (865, 21050), (1730, 10525), (2105, 8650), (4210, 4325)]