19319638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4987}}^1$

素因数の和:5151

約数の個数: 16

約数和(自身を含む): 31424400

約数和(自身を除く): 12104762

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 4987, 9974, 64831, 129662, 743063, 1486126, 9659819, 19319638]

約数ペア:

[(1, 19319638), (2, 9659819), (13, 1486126), (26, 743063), (149, 129662), (298, 64831), (1937, 9974), (3874, 4987)]