18379508

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1187}}^1$

素因数の和:1284

約数の個数: 36

約数和(自身を含む): 37920960

約数和(自身を除く): 19541452

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 1187, 2212, 2374, 3871, 4748, 7742, 8309, 15484, 16618, 33236, 58163, 93773, 116326, 187546, 232652, 375092, 656411, 1312822, 2625644, 4594877, 9189754, 18379508]

約数ペア:

[(1, 18379508), (2, 9189754), (4, 4594877), (7, 2625644), (14, 1312822), (28, 656411), (49, 375092), (79, 232652), (98, 187546), (158, 116326), (196, 93773), (316, 58163), (553, 33236), (1106, 16618), (1187, 15484), (2212, 8309), (2374, 7742), (3871, 4748)]