19206957

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 34781184

約数和(自身を除く): 15574227

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 67, 73, 77, 119, 187, 201, 219, 231, 357, 469, 511, 561, 737, 803, 1139, 1241, 1309, 1407, 1533, 2211, 2409, 3417, 3723, 3927, 4891, 5159, 5621, 7973, 8687, 12529, 13651, 14673, 15477, 16863, 23919, 26061, 34237, 37587, 40953, 53801, 83147, 87703, 95557, 102711, 161403, 249441, 263109, 286671, 376607, 582029, 914617, 1129821, 1746087, 2743851, 6402319, 19206957]

約数ペア:

[(1, 19206957), (3, 6402319), (7, 2743851), (11, 1746087), (17, 1129821), (21, 914617), (33, 582029), (51, 376607), (67, 286671), (73, 263109), (77, 249441), (119, 161403), (187, 102711), (201, 95557), (219, 87703), (231, 83147), (357, 53801), (469, 40953), (511, 37587), (561, 34237), (737, 26061), (803, 23919), (1139, 16863), (1241, 15477), (1309, 14673), (1407, 13651), (1533, 12529), (2211, 8687), (2409, 7973), (3417, 5621), (3723, 5159), (3927, 4891)]