18960464

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 38955840

約数和(自身を除く): 19995376

約数列:

[1, 2, 4, 8, 16, 23, 46, 67, 92, 134, 184, 268, 368, 536, 769, 1072, 1538, 1541, 3076, 3082, 6152, 6164, 12304, 12328, 17687, 24656, 35374, 51523, 70748, 103046, 141496, 206092, 282992, 412184, 824368, 1185029, 2370058, 4740116, 9480232, 18960464]

約数ペア:

[(1, 18960464), (2, 9480232), (4, 4740116), (8, 2370058), (16, 1185029), (23, 824368), (46, 412184), (67, 282992), (92, 206092), (134, 141496), (184, 103046), (268, 70748), (368, 51523), (536, 35374), (769, 24656), (1072, 17687), (1538, 12328), (1541, 12304), (3076, 6164), (3082, 6152)]