18890608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 40216176

約数和(自身を除く): 21325568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 593, 724, 1186, 1448, 1991, 2372, 2896, 3982, 4744, 6523, 7964, 9488, 13046, 15928, 26092, 31856, 52184, 104368, 107333, 214666, 429332, 858664, 1180663, 1717328, 2361326, 4722652, 9445304, 18890608]

約数ペア:

[(1, 18890608), (2, 9445304), (4, 4722652), (8, 2361326), (11, 1717328), (16, 1180663), (22, 858664), (44, 429332), (88, 214666), (176, 107333), (181, 104368), (362, 52184), (593, 31856), (724, 26092), (1186, 15928), (1448, 13046), (1991, 9488), (2372, 7964), (2896, 6523), (3982, 4744)]