12904458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 31549440

約数和(自身を除く): 18644982

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 103, 114, 133, 157, 206, 266, 309, 314, 399, 471, 618, 721, 798, 942, 1099, 1442, 1957, 2163, 2198, 2983, 3297, 3914, 4326, 5871, 5966, 6594, 8949, 11742, 13699, 16171, 17898, 20881, 27398, 32342, 41097, 41762, 48513, 62643, 82194, 97026, 113197, 125286, 226394, 307249, 339591, 614498, 679182, 921747, 1843494, 2150743, 4301486, 6452229, 12904458]

約数ペア:

[(1, 12904458), (2, 6452229), (3, 4301486), (6, 2150743), (7, 1843494), (14, 921747), (19, 679182), (21, 614498), (38, 339591), (42, 307249), (57, 226394), (103, 125286), (114, 113197), (133, 97026), (157, 82194), (206, 62643), (266, 48513), (309, 41762), (314, 41097), (399, 32342), (471, 27398), (618, 20881), (721, 17898), (798, 16171), (942, 13699), (1099, 11742), (1442, 8949), (1957, 6594), (2163, 5966), (2198, 5871), (2983, 4326), (3297, 3914)]