19183725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 39229632

約数和(自身を除く): 20045907

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 165, 207, 225, 253, 275, 337, 345, 495, 575, 759, 825, 1011, 1035, 1265, 1685, 1725, 2277, 2475, 3033, 3707, 3795, 5055, 5175, 6325, 7751, 8425, 11121, 11385, 15165, 18535, 18975, 23253, 25275, 33363, 38755, 55605, 56925, 69759, 75825, 85261, 92675, 116265, 166815, 193775, 255783, 278025, 348795, 426305, 581325, 767349, 834075, 1278915, 1743975, 2131525, 3836745, 6394575, 19183725]

約数ペア:

[(1, 19183725), (3, 6394575), (5, 3836745), (9, 2131525), (11, 1743975), (15, 1278915), (23, 834075), (25, 767349), (33, 581325), (45, 426305), (55, 348795), (69, 278025), (75, 255783), (99, 193775), (115, 166815), (165, 116265), (207, 92675), (225, 85261), (253, 75825), (275, 69759), (337, 56925), (345, 55605), (495, 38755), (575, 33363), (759, 25275), (825, 23253), (1011, 18975), (1035, 18535), (1265, 15165), (1685, 11385), (1725, 11121), (2277, 8425), (2475, 7751), (3033, 6325), (3707, 5175), (3795, 5055)]