12811966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 21461760

約数和(自身を除く): 8649794

約数列:

[1, 2, 19, 23, 38, 46, 107, 137, 214, 274, 437, 874, 2033, 2461, 2603, 3151, 4066, 4922, 5206, 6302, 14659, 29318, 46759, 59869, 93518, 119738, 278521, 337157, 557042, 674314, 6405983, 12811966]

約数ペア:

[(1, 12811966), (2, 6405983), (19, 674314), (23, 557042), (38, 337157), (46, 278521), (107, 119738), (137, 93518), (214, 59869), (274, 46759), (437, 29318), (874, 14659), (2033, 6302), (2461, 5206), (2603, 4922), (3151, 4066)]