18304340

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3257}}^1$

素因数の和:3547

約数の個数: 24

約数和(自身を含む): 38587752

約数和(自身を除く): 20283412

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 3257, 5620, 6514, 13028, 16285, 32570, 65140, 915217, 1830434, 3660868, 4576085, 9152170, 18304340]

約数ペア:

[(1, 18304340), (2, 9152170), (4, 4576085), (5, 3660868), (10, 1830434), (20, 915217), (281, 65140), (562, 32570), (1124, 16285), (1405, 13028), (2810, 6514), (3257, 5620)]