18160519460

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2334257}}^1$

素因数の和:2334655

約数の個数: 24

約数和(自身を含む): 38235146040

約数和(自身を除く): 20074626580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 2334257, 4668514, 9337028, 11671285, 23342570, 46685140, 908025973, 1816051946, 3632103892, 4540129865, 9080259730, 18160519460]

約数ペア:

[(1, 18160519460), (2, 9080259730), (4, 4540129865), (5, 3632103892), (10, 1816051946), (20, 908025973), (389, 46685140), (778, 23342570), (1556, 11671285), (1945, 9337028), (3890, 4668514), (7780, 2334257)]