18920762

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 35938728

約数和(自身を除く): 17017966

約数列:

[1, 2, 7, 14, 17, 34, 41, 49, 82, 98, 119, 238, 277, 287, 554, 574, 697, 833, 1394, 1666, 1939, 2009, 3878, 4018, 4709, 4879, 9418, 9758, 11357, 13573, 22714, 27146, 32963, 34153, 65926, 68306, 79499, 158998, 193069, 230741, 386138, 461482, 556493, 1112986, 1351483, 2702966, 9460381, 18920762]

約数ペア:

[(1, 18920762), (2, 9460381), (7, 2702966), (14, 1351483), (17, 1112986), (34, 556493), (41, 461482), (49, 386138), (82, 230741), (98, 193069), (119, 158998), (238, 79499), (277, 68306), (287, 65926), (554, 34153), (574, 32963), (697, 27146), (833, 22714), (1394, 13573), (1666, 11357), (1939, 9758), (2009, 9418), (3878, 4879), (4018, 4709)]