18888943570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{517931}}^1$

素因数の和:518466

約数の個数: 32

約数和(自身を含む): 38931912576

約数和(自身を除く): 20042969006

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 1042, 2605, 3647, 5210, 7294, 18235, 36470, 517931, 1035862, 2589655, 3625517, 5179310, 7251034, 18127585, 36255170, 269842051, 539684102, 1349210255, 1888894357, 2698420510, 3777788714, 9444471785, 18888943570]

約数ペア:

[(1, 18888943570), (2, 9444471785), (5, 3777788714), (7, 2698420510), (10, 1888894357), (14, 1349210255), (35, 539684102), (70, 269842051), (521, 36255170), (1042, 18127585), (2605, 7251034), (3647, 5179310), (5210, 3625517), (7294, 2589655), (18235, 1035862), (36470, 517931)]