18809584

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:757

約数の個数: 40

約数和(自身を含む): 38568960

約数和(自身を除く): 19759376

約数列:

[1, 2, 4, 8, 16, 23, 46, 79, 92, 158, 184, 316, 368, 632, 647, 1264, 1294, 1817, 2588, 3634, 5176, 7268, 10352, 14536, 14881, 29072, 29762, 51113, 59524, 102226, 119048, 204452, 238096, 408904, 817808, 1175599, 2351198, 4702396, 9404792, 18809584]

約数ペア:

[(1, 18809584), (2, 9404792), (4, 4702396), (8, 2351198), (16, 1175599), (23, 817808), (46, 408904), (79, 238096), (92, 204452), (158, 119048), (184, 102226), (316, 59524), (368, 51113), (632, 29762), (647, 29072), (1264, 14881), (1294, 14536), (1817, 10352), (2588, 7268), (3634, 5176)]