19906494

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 40715136

約数和(自身を除く): 20808642

約数列:

[1, 2, 3, 6, 101, 107, 202, 214, 303, 307, 321, 606, 614, 642, 921, 1842, 10807, 21614, 31007, 32421, 32849, 62014, 64842, 65698, 93021, 98547, 186042, 197094, 3317749, 6635498, 9953247, 19906494]

約数ペア:

[(1, 19906494), (2, 9953247), (3, 6635498), (6, 3317749), (101, 197094), (107, 186042), (202, 98547), (214, 93021), (303, 65698), (307, 64842), (321, 62014), (606, 32849), (614, 32421), (642, 31007), (921, 21614), (1842, 10807)]