18563240

素因数分解:

$2^3\times 5^1\times {\mathrm{464081}}^1$

素因数の和:464092

約数の個数: 16

約数和(自身を含む): 41767380

約数和(自身を除く): 23204140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 464081, 928162, 1856324, 2320405, 3712648, 4640810, 9281620, 18563240]

約数ペア:

[(1, 18563240), (2, 9281620), (4, 4640810), (5, 3712648), (8, 2320405), (10, 1856324), (20, 928162), (40, 464081)]