18272260

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5281}}^1$

素因数の和:5463

約数の個数: 24

約数和(自身を含む): 38600856

約数和(自身を除く): 20328596

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5281, 10562, 21124, 26405, 52810, 105620, 913613, 1827226, 3654452, 4568065, 9136130, 18272260]

約数ペア:

[(1, 18272260), (2, 9136130), (4, 4568065), (5, 3654452), (10, 1827226), (20, 913613), (173, 105620), (346, 52810), (692, 26405), (865, 21124), (1730, 10562), (3460, 5281)]