19581268

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1091}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 39259584

約数和(自身を除く): 19678316

約数列:

[1, 2, 4, 7, 14, 28, 641, 1091, 1282, 2182, 2564, 4364, 4487, 7637, 8974, 15274, 17948, 30548, 699331, 1398662, 2797324, 4895317, 9790634, 19581268]

約数ペア:

[(1, 19581268), (2, 9790634), (4, 4895317), (7, 2797324), (14, 1398662), (28, 699331), (641, 30548), (1091, 17948), (1282, 15274), (2182, 8974), (2564, 7637), (4364, 4487)]