18862497

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 10974303

約数列:

[1, 3, 9, 19, 27, 57, 83, 171, 249, 443, 513, 747, 1329, 1577, 2241, 3987, 4731, 8417, 11961, 14193, 25251, 36769, 42579, 75753, 110307, 227259, 330921, 698611, 992763, 2095833, 6287499, 18862497]

約数ペア:

[(1, 18862497), (3, 6287499), (9, 2095833), (19, 992763), (27, 698611), (57, 330921), (83, 227259), (171, 110307), (249, 75753), (443, 42579), (513, 36769), (747, 25251), (1329, 14193), (1577, 11961), (2241, 8417), (3987, 4731)]