18539872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1151

約数の個数: 48

約数和(自身を含む): 40303872

約数和(自身を除く): 21764000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1087, 1312, 2132, 2174, 4264, 4348, 8528, 8696, 14131, 17056, 17392, 28262, 34784, 44567, 56524, 89134, 113048, 178268, 226096, 356536, 452192, 579371, 713072, 1158742, 1426144, 2317484, 4634968, 9269936, 18539872]

約数ペア:

[(1, 18539872), (2, 9269936), (4, 4634968), (8, 2317484), (13, 1426144), (16, 1158742), (26, 713072), (32, 579371), (41, 452192), (52, 356536), (82, 226096), (104, 178268), (164, 113048), (208, 89134), (328, 56524), (416, 44567), (533, 34784), (656, 28262), (1066, 17392), (1087, 17056), (1312, 14131), (2132, 8696), (2174, 8528), (4264, 4348)]