18541250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 43036224

約数和(自身を除く): 24494974

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 163, 175, 182, 250, 325, 326, 350, 455, 625, 650, 815, 875, 910, 1141, 1250, 1625, 1630, 1750, 2119, 2275, 2282, 3250, 4075, 4238, 4375, 4550, 5705, 8125, 8150, 8750, 10595, 11375, 11410, 14833, 16250, 20375, 21190, 22750, 28525, 29666, 40750, 52975, 56875, 57050, 74165, 101875, 105950, 113750, 142625, 148330, 203750, 264875, 285250, 370825, 529750, 713125, 741650, 1324375, 1426250, 1854125, 2648750, 3708250, 9270625, 18541250]

約数ペア:

[(1, 18541250), (2, 9270625), (5, 3708250), (7, 2648750), (10, 1854125), (13, 1426250), (14, 1324375), (25, 741650), (26, 713125), (35, 529750), (50, 370825), (65, 285250), (70, 264875), (91, 203750), (125, 148330), (130, 142625), (163, 113750), (175, 105950), (182, 101875), (250, 74165), (325, 57050), (326, 56875), (350, 52975), (455, 40750), (625, 29666), (650, 28525), (815, 22750), (875, 21190), (910, 20375), (1141, 16250), (1250, 14833), (1625, 11410), (1630, 11375), (1750, 10595), (2119, 8750), (2275, 8150), (2282, 8125), (3250, 5705), (4075, 4550), (4238, 4375)]