18638300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6427}}^1$

素因数の和:6470

約数の個数: 36

約数和(自身を含む): 41846280

約数和(自身を除く): 23207980

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6427, 12854, 25708, 32135, 64270, 128540, 160675, 186383, 321350, 372766, 642700, 745532, 931915, 1863830, 3727660, 4659575, 9319150, 18638300]

約数ペア:

[(1, 18638300), (2, 9319150), (4, 4659575), (5, 3727660), (10, 1863830), (20, 931915), (25, 745532), (29, 642700), (50, 372766), (58, 321350), (100, 186383), (116, 160675), (145, 128540), (290, 64270), (580, 32135), (725, 25708), (1450, 12854), (2900, 6427)]