18941104

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13009}}^1$

素因数の和:13037

約数の個数: 40

約数和(自身を含む): 45170720

約数和(自身を除く): 26229616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13009, 26018, 52036, 91063, 104072, 169117, 182126, 208144, 338234, 364252, 676468, 728504, 1183819, 1352936, 1457008, 2367638, 2705872, 4735276, 9470552, 18941104]

約数ペア:

[(1, 18941104), (2, 9470552), (4, 4735276), (7, 2705872), (8, 2367638), (13, 1457008), (14, 1352936), (16, 1183819), (26, 728504), (28, 676468), (52, 364252), (56, 338234), (91, 208144), (104, 182126), (112, 169117), (182, 104072), (208, 91063), (364, 52036), (728, 26018), (1456, 13009)]