18816273

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3433}}^1$

素因数の和:3478

約数の個数: 32

約数和(自身を含む): 32966400

約数和(自身を除く): 14150127

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3433, 5481, 10299, 24031, 30897, 72093, 92691, 99557, 216279, 298671, 648837, 696899, 896013, 2090697, 2688039, 6272091, 18816273]

約数ペア:

[(1, 18816273), (3, 6272091), (7, 2688039), (9, 2090697), (21, 896013), (27, 696899), (29, 648837), (63, 298671), (87, 216279), (189, 99557), (203, 92691), (261, 72093), (609, 30897), (783, 24031), (1827, 10299), (3433, 5481)]