19447212

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 27122388

約数列:

[1, 2, 3, 4, 6, 12, 89, 131, 139, 178, 262, 267, 278, 356, 393, 417, 524, 534, 556, 786, 834, 1068, 1572, 1668, 11659, 12371, 18209, 23318, 24742, 34977, 36418, 37113, 46636, 49484, 54627, 69954, 72836, 74226, 109254, 139908, 148452, 218508, 1620601, 3241202, 4861803, 6482404, 9723606, 19447212]

約数ペア:

[(1, 19447212), (2, 9723606), (3, 6482404), (4, 4861803), (6, 3241202), (12, 1620601), (89, 218508), (131, 148452), (139, 139908), (178, 109254), (262, 74226), (267, 72836), (278, 69954), (356, 54627), (393, 49484), (417, 46636), (524, 37113), (534, 36418), (556, 34977), (786, 24742), (834, 23318), (1068, 18209), (1572, 12371), (1668, 11659)]