12878048

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 14337952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 76, 118, 152, 236, 304, 359, 472, 608, 718, 944, 1121, 1436, 1888, 2242, 2872, 4484, 5744, 6821, 8968, 11488, 13642, 17936, 21181, 27284, 35872, 42362, 54568, 84724, 109136, 169448, 218272, 338896, 402439, 677792, 804878, 1609756, 3219512, 6439024, 12878048]

約数ペア:

[(1, 12878048), (2, 6439024), (4, 3219512), (8, 1609756), (16, 804878), (19, 677792), (32, 402439), (38, 338896), (59, 218272), (76, 169448), (118, 109136), (152, 84724), (236, 54568), (304, 42362), (359, 35872), (472, 27284), (608, 21181), (718, 17936), (944, 13642), (1121, 11488), (1436, 8968), (1888, 6821), (2242, 5744), (2872, 4484)]