19758870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73181}}^1$

素因数の和:73197

約数の個数: 32

約数和(自身を含む): 52691040

約数和(自身を除く): 32932170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 73181, 146362, 219543, 365905, 439086, 658629, 731810, 1097715, 1317258, 1975887, 2195430, 3293145, 3951774, 6586290, 9879435, 19758870]

約数ペア:

[(1, 19758870), (2, 9879435), (3, 6586290), (5, 3951774), (6, 3293145), (9, 2195430), (10, 1975887), (15, 1317258), (18, 1097715), (27, 731810), (30, 658629), (45, 439086), (54, 365905), (90, 219543), (135, 146362), (270, 73181)]