18227605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1831}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 24006528

約数和(自身を除く): 5778923

約数列:

[1, 5, 11, 55, 181, 905, 1831, 1991, 9155, 9955, 20141, 100705, 331411, 1657055, 3645521, 18227605]

約数ペア:

[(1, 18227605), (5, 3645521), (11, 1657055), (55, 331411), (181, 100705), (905, 20141), (1831, 9955), (1991, 9155)]