17966937518

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1\times {\mathrm{751}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 27502986240

約数和(自身を除く): 9536048722

約数列:

[1, 2, 71, 142, 331, 509, 662, 751, 1018, 1502, 23501, 36139, 47002, 53321, 72278, 106642, 168479, 248581, 336958, 382259, 497162, 764518, 11962009, 17649251, 23924018, 27140389, 35298502, 54280778, 126527729, 253055458, 8983468759, 17966937518]

約数ペア:

[(1, 17966937518), (2, 8983468759), (71, 253055458), (142, 126527729), (331, 54280778), (509, 35298502), (662, 27140389), (751, 23924018), (1018, 17649251), (1502, 11962009), (23501, 764518), (36139, 497162), (47002, 382259), (53321, 336958), (72278, 248581), (106642, 168479)]