18996417

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 11969343

約数列:

[1, 3, 9, 11, 27, 33, 99, 167, 297, 383, 501, 1149, 1503, 1837, 3447, 4213, 4509, 5511, 10341, 12639, 16533, 37917, 49599, 63961, 113751, 191883, 575649, 703571, 1726947, 2110713, 6332139, 18996417]

約数ペア:

[(1, 18996417), (3, 6332139), (9, 2110713), (11, 1726947), (27, 703571), (33, 575649), (99, 191883), (167, 113751), (297, 63961), (383, 49599), (501, 37917), (1149, 16533), (1503, 12639), (1837, 10341), (3447, 5511), (4213, 4509)]