18491885950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{59951}}^1$

素因数の和:60193

約数の個数: 48

約数和(自身を含む): 35683430400

約数和(自身を除く): 17191544450

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 199, 310, 398, 775, 995, 1550, 1990, 4975, 6169, 9950, 12338, 30845, 59951, 61690, 119902, 154225, 299755, 308450, 599510, 1498775, 1858481, 2997550, 3716962, 9292405, 11930249, 18584810, 23860498, 46462025, 59651245, 92924050, 119302490, 298256225, 369837719, 596512450, 739675438, 1849188595, 3698377190, 9245942975, 18491885950]

約数ペア:

[(1, 18491885950), (2, 9245942975), (5, 3698377190), (10, 1849188595), (25, 739675438), (31, 596512450), (50, 369837719), (62, 298256225), (155, 119302490), (199, 92924050), (310, 59651245), (398, 46462025), (775, 23860498), (995, 18584810), (1550, 11930249), (1990, 9292405), (4975, 3716962), (6169, 2997550), (9950, 1858481), (12338, 1498775), (30845, 599510), (59951, 308450), (61690, 299755), (119902, 154225)]