19405854

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 45706752

約数和(自身を除く): 26300898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 127, 234, 254, 381, 653, 762, 1143, 1306, 1651, 1959, 2286, 3302, 3918, 4953, 5877, 8489, 9906, 11754, 14859, 16978, 25467, 29718, 50934, 76401, 82931, 152802, 165862, 248793, 497586, 746379, 1078103, 1492758, 2156206, 3234309, 6468618, 9702927, 19405854]

約数ペア:

[(1, 19405854), (2, 9702927), (3, 6468618), (6, 3234309), (9, 2156206), (13, 1492758), (18, 1078103), (26, 746379), (39, 497586), (78, 248793), (117, 165862), (127, 152802), (234, 82931), (254, 76401), (381, 50934), (653, 29718), (762, 25467), (1143, 16978), (1306, 14859), (1651, 11754), (1959, 9906), (2286, 8489), (3302, 5877), (3918, 4953)]