19971738

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2269}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 44673600

約数和(自身を除く): 24701862

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2269, 2934, 4401, 4538, 6807, 8802, 13614, 20421, 40842, 61263, 122526, 369847, 739694, 1109541, 2219082, 3328623, 6657246, 9985869, 19971738]

約数ペア:

[(1, 19971738), (2, 9985869), (3, 6657246), (6, 3328623), (9, 2219082), (18, 1109541), (27, 739694), (54, 369847), (163, 122526), (326, 61263), (489, 40842), (978, 20421), (1467, 13614), (2269, 8802), (2934, 6807), (4401, 4538)]