19430550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 55130400

約数和(自身を除く): 35699850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 90, 111, 135, 150, 185, 222, 225, 270, 333, 370, 389, 450, 555, 666, 675, 778, 925, 999, 1110, 1167, 1350, 1665, 1850, 1945, 1998, 2334, 2775, 3330, 3501, 3890, 4995, 5550, 5835, 7002, 8325, 9725, 9990, 10503, 11670, 14393, 16650, 17505, 19450, 21006, 24975, 28786, 29175, 35010, 43179, 49950, 52515, 58350, 71965, 86358, 87525, 105030, 129537, 143930, 175050, 215895, 259074, 262575, 359825, 388611, 431790, 525150, 647685, 719650, 777222, 1079475, 1295370, 1943055, 2158950, 3238425, 3886110, 6476850, 9715275, 19430550]

約数ペア:

[(1, 19430550), (2, 9715275), (3, 6476850), (5, 3886110), (6, 3238425), (9, 2158950), (10, 1943055), (15, 1295370), (18, 1079475), (25, 777222), (27, 719650), (30, 647685), (37, 525150), (45, 431790), (50, 388611), (54, 359825), (74, 262575), (75, 259074), (90, 215895), (111, 175050), (135, 143930), (150, 129537), (185, 105030), (222, 87525), (225, 86358), (270, 71965), (333, 58350), (370, 52515), (389, 49950), (450, 43179), (555, 35010), (666, 29175), (675, 28786), (778, 24975), (925, 21006), (999, 19450), (1110, 17505), (1167, 16650), (1350, 14393), (1665, 11670), (1850, 10503), (1945, 9990), (1998, 9725), (2334, 8325), (2775, 7002), (3330, 5835), (3501, 5550), (3890, 4995)]