18406020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8291}}^1$

素因数の和:8340

約数の個数: 48

約数和(自身を含む): 52936128

約数和(自身を除く): 34530108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8291, 16582, 24873, 33164, 41455, 49746, 82910, 99492, 124365, 165820, 248730, 306767, 497460, 613534, 920301, 1227068, 1533835, 1840602, 3067670, 3681204, 4601505, 6135340, 9203010, 18406020]

約数ペア:

[(1, 18406020), (2, 9203010), (3, 6135340), (4, 4601505), (5, 3681204), (6, 3067670), (10, 1840602), (12, 1533835), (15, 1227068), (20, 920301), (30, 613534), (37, 497460), (60, 306767), (74, 248730), (111, 165820), (148, 124365), (185, 99492), (222, 82910), (370, 49746), (444, 41455), (555, 33164), (740, 24873), (1110, 16582), (2220, 8291)]