19994296

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1163}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 43021440

約数和(自身を除く): 23027144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1163, 1228, 2149, 2326, 2456, 4298, 4652, 8141, 8596, 9304, 16282, 17192, 32564, 65128, 357041, 714082, 1428164, 2499287, 2856328, 4998574, 9997148, 19994296]

約数ペア:

[(1, 19994296), (2, 9997148), (4, 4998574), (7, 2856328), (8, 2499287), (14, 1428164), (28, 714082), (56, 357041), (307, 65128), (614, 32564), (1163, 17192), (1228, 16282), (2149, 9304), (2326, 8596), (2456, 8141), (4298, 4652)]