19997733

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4691}}^1$

素因数の和:4737

約数の個数: 24

約数和(自身を含む): 32093280

約数和(自身を除く): 12095547

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4691, 14073, 32837, 98511, 136039, 229859, 408117, 689577, 952273, 2856819, 6665911, 19997733]

約数ペア:

[(1, 19997733), (3, 6665911), (7, 2856819), (21, 952273), (29, 689577), (49, 408117), (87, 229859), (147, 136039), (203, 98511), (609, 32837), (1421, 14073), (4263, 4691)]