18298020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23459}}^1$

素因数の和:23484

約数の個数: 48

約数和(自身を含む): 55177920

約数和(自身を除く): 36879900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23459, 46918, 70377, 93836, 117295, 140754, 234590, 281508, 304967, 351885, 469180, 609934, 703770, 914901, 1219868, 1407540, 1524835, 1829802, 3049670, 3659604, 4574505, 6099340, 9149010, 18298020]

約数ペア:

[(1, 18298020), (2, 9149010), (3, 6099340), (4, 4574505), (5, 3659604), (6, 3049670), (10, 1829802), (12, 1524835), (13, 1407540), (15, 1219868), (20, 914901), (26, 703770), (30, 609934), (39, 469180), (52, 351885), (60, 304967), (65, 281508), (78, 234590), (130, 140754), (156, 117295), (195, 93836), (260, 70377), (390, 46918), (780, 23459)]