18738642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3041}}^1$

素因数の和:3138

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 22145838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3041, 3081, 6082, 6162, 9123, 18246, 39533, 79066, 118599, 237198, 240239, 480478, 720717, 1441434, 3123107, 6246214, 9369321, 18738642]

約数ペア:

[(1, 18738642), (2, 9369321), (3, 6246214), (6, 3123107), (13, 1441434), (26, 720717), (39, 480478), (78, 240239), (79, 237198), (158, 118599), (237, 79066), (474, 39533), (1027, 18246), (2054, 9123), (3041, 6162), (3081, 6082)]