18726780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16427}}^1$

素因数の和:16458

約数の個数: 48

約数和(自身を含む): 55198080

約数和(自身を除く): 36471300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16427, 32854, 49281, 65708, 82135, 98562, 164270, 197124, 246405, 312113, 328540, 492810, 624226, 936339, 985620, 1248452, 1560565, 1872678, 3121130, 3745356, 4681695, 6242260, 9363390, 18726780]

約数ペア:

[(1, 18726780), (2, 9363390), (3, 6242260), (4, 4681695), (5, 3745356), (6, 3121130), (10, 1872678), (12, 1560565), (15, 1248452), (19, 985620), (20, 936339), (30, 624226), (38, 492810), (57, 328540), (60, 312113), (76, 246405), (95, 197124), (114, 164270), (190, 98562), (228, 82135), (285, 65708), (380, 49281), (570, 32854), (1140, 16427)]