19812912238

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{80809}}^1$

素因数の和:81112

約数の個数: 32

約数和(自身を含む): 34537547520

約数和(自身を除く): 14724635282

約数列:

[1, 2, 7, 14, 83, 166, 211, 422, 581, 1162, 1477, 2954, 17513, 35026, 80809, 122591, 161618, 245182, 565663, 1131326, 6707147, 13414294, 17050699, 34101398, 46950029, 93900058, 119354893, 238709786, 1415208017, 2830416034, 9906456119, 19812912238]

約数ペア:

[(1, 19812912238), (2, 9906456119), (7, 2830416034), (14, 1415208017), (83, 238709786), (166, 119354893), (211, 93900058), (422, 46950029), (581, 34101398), (1162, 17050699), (1477, 13414294), (2954, 6707147), (17513, 1131326), (35026, 565663), (80809, 245182), (122591, 161618)]