19747299

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 11476509

約数列:

[1, 3, 11, 13, 33, 39, 143, 191, 241, 429, 573, 723, 2101, 2483, 2651, 3133, 6303, 7449, 7953, 9399, 27313, 34463, 46031, 81939, 103389, 138093, 506341, 598403, 1519023, 1795209, 6582433, 19747299]

約数ペア:

[(1, 19747299), (3, 6582433), (11, 1795209), (13, 1519023), (33, 598403), (39, 506341), (143, 138093), (191, 103389), (241, 81939), (429, 46031), (573, 34463), (723, 27313), (2101, 9399), (2483, 7953), (2651, 7449), (3133, 6303)]