18802316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 37632000

約数和(自身を除く): 18829684

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 79, 92, 158, 199, 299, 316, 398, 598, 796, 1027, 1196, 1817, 2054, 2587, 3634, 4108, 4577, 5174, 7268, 9154, 10348, 15721, 18308, 23621, 31442, 47242, 59501, 62884, 94484, 119002, 204373, 238004, 361583, 408746, 723166, 817492, 1446332, 4700579, 9401158, 18802316]

約数ペア:

[(1, 18802316), (2, 9401158), (4, 4700579), (13, 1446332), (23, 817492), (26, 723166), (46, 408746), (52, 361583), (79, 238004), (92, 204373), (158, 119002), (199, 94484), (299, 62884), (316, 59501), (398, 47242), (598, 31442), (796, 23621), (1027, 18308), (1196, 15721), (1817, 10348), (2054, 9154), (2587, 7268), (3634, 5174), (4108, 4577)]