19723167

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 29971968

約数和(自身を除く): 10248801

約数列:

[1, 3, 9, 23, 69, 151, 207, 453, 631, 1359, 1893, 3473, 5679, 10419, 14513, 31257, 43539, 95281, 130617, 285843, 857529, 2191463, 6574389, 19723167]

約数ペア:

[(1, 19723167), (3, 6574389), (9, 2191463), (23, 857529), (69, 285843), (151, 130617), (207, 95281), (453, 43539), (631, 31257), (1359, 14513), (1893, 10419), (3473, 5679)]