18545175

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 37140480

約数和(自身を除く): 18595305

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 59, 75, 99, 127, 165, 177, 225, 275, 295, 381, 495, 531, 635, 649, 825, 885, 1143, 1397, 1475, 1905, 1947, 2475, 2655, 3175, 3245, 4191, 4425, 5715, 5841, 6985, 7493, 9525, 9735, 12573, 13275, 16225, 20955, 22479, 28575, 29205, 34925, 37465, 48675, 62865, 67437, 82423, 104775, 112395, 146025, 187325, 247269, 314325, 337185, 412115, 561975, 741807, 1236345, 1685925, 2060575, 3709035, 6181725, 18545175]

約数ペア:

[(1, 18545175), (3, 6181725), (5, 3709035), (9, 2060575), (11, 1685925), (15, 1236345), (25, 741807), (33, 561975), (45, 412115), (55, 337185), (59, 314325), (75, 247269), (99, 187325), (127, 146025), (165, 112395), (177, 104775), (225, 82423), (275, 67437), (295, 62865), (381, 48675), (495, 37465), (531, 34925), (635, 29205), (649, 28575), (825, 22479), (885, 20955), (1143, 16225), (1397, 13275), (1475, 12573), (1905, 9735), (1947, 9525), (2475, 7493), (2655, 6985), (3175, 5841), (3245, 5715), (4191, 4425)]