19796518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3917}}^1$

素因数の和:3964

約数の個数: 24

約数和(自身を含む): 35826192

約数和(自身を除く): 16029674

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 3917, 5054, 7834, 27419, 54838, 74423, 148846, 520961, 1041922, 1414037, 2828074, 9898259, 19796518]

約数ペア:

[(1, 19796518), (2, 9898259), (7, 2828074), (14, 1414037), (19, 1041922), (38, 520961), (133, 148846), (266, 74423), (361, 54838), (722, 27419), (2527, 7834), (3917, 5054)]