18980088

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 31563912

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 107, 114, 152, 214, 228, 321, 389, 428, 456, 642, 778, 856, 1167, 1284, 1556, 2033, 2334, 2568, 3112, 4066, 4668, 6099, 7391, 8132, 9336, 12198, 14782, 16264, 22173, 24396, 29564, 41623, 44346, 48792, 59128, 83246, 88692, 124869, 166492, 177384, 249738, 332984, 499476, 790837, 998952, 1581674, 2372511, 3163348, 4745022, 6326696, 9490044, 18980088]

約数ペア:

[(1, 18980088), (2, 9490044), (3, 6326696), (4, 4745022), (6, 3163348), (8, 2372511), (12, 1581674), (19, 998952), (24, 790837), (38, 499476), (57, 332984), (76, 249738), (107, 177384), (114, 166492), (152, 124869), (214, 88692), (228, 83246), (321, 59128), (389, 48792), (428, 44346), (456, 41623), (642, 29564), (778, 24396), (856, 22173), (1167, 16264), (1284, 14782), (1556, 12198), (2033, 9336), (2334, 8132), (2568, 7391), (3112, 6099), (4066, 4668)]