18369945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 38413440

約数和(自身を除く): 20043495

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 37, 45, 51, 55, 59, 85, 99, 111, 153, 165, 177, 185, 187, 255, 295, 333, 407, 495, 531, 555, 561, 629, 649, 765, 885, 935, 1003, 1221, 1665, 1683, 1887, 1947, 2035, 2183, 2655, 2805, 3009, 3145, 3245, 3663, 5015, 5661, 5841, 6105, 6549, 6919, 8415, 9027, 9435, 9735, 10915, 11033, 15045, 18315, 19647, 20757, 24013, 28305, 29205, 32745, 33099, 34595, 37111, 45135, 55165, 62271, 72039, 98235, 99297, 103785, 111333, 120065, 165495, 185555, 216117, 311355, 333999, 360195, 408221, 496485, 556665, 1080585, 1224663, 1669995, 2041105, 3673989, 6123315, 18369945]

約数ペア:

[(1, 18369945), (3, 6123315), (5, 3673989), (9, 2041105), (11, 1669995), (15, 1224663), (17, 1080585), (33, 556665), (37, 496485), (45, 408221), (51, 360195), (55, 333999), (59, 311355), (85, 216117), (99, 185555), (111, 165495), (153, 120065), (165, 111333), (177, 103785), (185, 99297), (187, 98235), (255, 72039), (295, 62271), (333, 55165), (407, 45135), (495, 37111), (531, 34595), (555, 33099), (561, 32745), (629, 29205), (649, 28305), (765, 24013), (885, 20757), (935, 19647), (1003, 18315), (1221, 15045), (1665, 11033), (1683, 10915), (1887, 9735), (1947, 9435), (2035, 9027), (2183, 8415), (2655, 6919), (2805, 6549), (3009, 6105), (3145, 5841), (3245, 5661), (3663, 5015)]