18227745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21319}}^1$

素因数の和:21349

約数の個数: 24

約数和(自身を含む): 33259200

約数和(自身を除く): 15031455

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21319, 63957, 106595, 191871, 319785, 405061, 959355, 1215183, 2025305, 3645549, 6075915, 18227745]

約数ペア:

[(1, 18227745), (3, 6075915), (5, 3645549), (9, 2025305), (15, 1215183), (19, 959355), (45, 405061), (57, 319785), (95, 191871), (171, 106595), (285, 63957), (855, 21319)]