18938402

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1453}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 34896000

約数和(自身を除く): 15957598

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1453, 1862, 2906, 6517, 10171, 13034, 20342, 27607, 55214, 71197, 142394, 193249, 386498, 498379, 996758, 1352743, 2705486, 9469201, 18938402]

約数ペア:

[(1, 18938402), (2, 9469201), (7, 2705486), (14, 1352743), (19, 996758), (38, 498379), (49, 386498), (98, 193249), (133, 142394), (266, 71197), (343, 55214), (686, 27607), (931, 20342), (1453, 13034), (1862, 10171), (2906, 6517)]