19988790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6869}}^1$

素因数の和:6976

約数の個数: 32

約数和(自身を含む): 48474720

約数和(自身を除く): 28485930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 6869, 13738, 20607, 34345, 41214, 68690, 103035, 206070, 666293, 1332586, 1998879, 3331465, 3997758, 6662930, 9994395, 19988790]

約数ペア:

[(1, 19988790), (2, 9994395), (3, 6662930), (5, 3997758), (6, 3331465), (10, 1998879), (15, 1332586), (30, 666293), (97, 206070), (194, 103035), (291, 68690), (485, 41214), (582, 34345), (970, 20607), (1455, 13738), (2910, 6869)]