18997528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3659}}^1$

素因数の和:3735

約数の個数: 32

約数和(自身を含む): 39528000

約数和(自身を除く): 20530472

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3659, 5192, 7318, 14636, 29272, 40249, 80498, 160996, 215881, 321992, 431762, 863524, 1727048, 2374691, 4749382, 9498764, 18997528]

約数ペア:

[(1, 18997528), (2, 9498764), (4, 4749382), (8, 2374691), (11, 1727048), (22, 863524), (44, 431762), (59, 321992), (88, 215881), (118, 160996), (236, 80498), (472, 40249), (649, 29272), (1298, 14636), (2596, 7318), (3659, 5192)]