19537902

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{15731}}^1$

素因数の和:15765

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 25770258

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 15731, 31462, 47193, 94386, 141579, 283158, 361813, 424737, 723626, 849474, 1085439, 2170878, 3256317, 6512634, 9768951, 19537902]

約数ペア:

[(1, 19537902), (2, 9768951), (3, 6512634), (6, 3256317), (9, 2170878), (18, 1085439), (23, 849474), (27, 723626), (46, 424737), (54, 361813), (69, 283158), (138, 141579), (207, 94386), (414, 47193), (621, 31462), (1242, 15731)]