19255665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 37158912

約数和(自身を除く): 17903247

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 47, 55, 65, 141, 143, 165, 191, 195, 235, 429, 517, 573, 611, 705, 715, 955, 1551, 1833, 2101, 2145, 2483, 2585, 2865, 3055, 6303, 6721, 7449, 7755, 8977, 9165, 10505, 12415, 20163, 26931, 27313, 31515, 33605, 37245, 44885, 81939, 98747, 100815, 116701, 134655, 136565, 296241, 350103, 409695, 493735, 583505, 1283711, 1481205, 1750515, 3851133, 6418555, 19255665]

約数ペア:

[(1, 19255665), (3, 6418555), (5, 3851133), (11, 1750515), (13, 1481205), (15, 1283711), (33, 583505), (39, 493735), (47, 409695), (55, 350103), (65, 296241), (141, 136565), (143, 134655), (165, 116701), (191, 100815), (195, 98747), (235, 81939), (429, 44885), (517, 37245), (573, 33605), (611, 31515), (705, 27313), (715, 26931), (955, 20163), (1551, 12415), (1833, 10505), (2101, 9165), (2145, 8977), (2483, 7755), (2585, 7449), (2865, 6721), (3055, 6303)]