19128378

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 39485952

約数和(自身を除く): 20357574

約数列:

[1, 2, 3, 6, 43, 86, 129, 151, 258, 302, 453, 491, 906, 982, 1473, 2946, 6493, 12986, 19479, 21113, 38958, 42226, 63339, 74141, 126678, 148282, 222423, 444846, 3188063, 6376126, 9564189, 19128378]

約数ペア:

[(1, 19128378), (2, 9564189), (3, 6376126), (6, 3188063), (43, 444846), (86, 222423), (129, 148282), (151, 126678), (258, 74141), (302, 63339), (453, 42226), (491, 38958), (906, 21113), (982, 19479), (1473, 12986), (2946, 6493)]