19317428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1381}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 36567720

約数和(自身を除く): 17250292

約数列:

[1, 2, 4, 13, 26, 52, 269, 538, 1076, 1381, 2762, 3497, 5524, 6994, 13988, 17953, 35906, 71812, 371489, 742978, 1485956, 4829357, 9658714, 19317428]

約数ペア:

[(1, 19317428), (2, 9658714), (4, 4829357), (13, 1485956), (26, 742978), (52, 371489), (269, 71812), (538, 35906), (1076, 17953), (1381, 13988), (2762, 6994), (3497, 5524)]