19739500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 48799296

約数和(自身を除く): 29059796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 97, 100, 110, 125, 148, 185, 194, 220, 250, 275, 370, 388, 407, 485, 500, 550, 740, 814, 925, 970, 1067, 1100, 1375, 1628, 1850, 1940, 2035, 2134, 2425, 2750, 3589, 3700, 4070, 4268, 4625, 4850, 5335, 5500, 7178, 8140, 9250, 9700, 10175, 10670, 12125, 14356, 17945, 18500, 20350, 21340, 24250, 26675, 35890, 39479, 40700, 48500, 50875, 53350, 71780, 78958, 89725, 101750, 106700, 133375, 157916, 179450, 197395, 203500, 266750, 358900, 394790, 448625, 533500, 789580, 897250, 986975, 1794500, 1973950, 3947900, 4934875, 9869750, 19739500]

約数ペア:

[(1, 19739500), (2, 9869750), (4, 4934875), (5, 3947900), (10, 1973950), (11, 1794500), (20, 986975), (22, 897250), (25, 789580), (37, 533500), (44, 448625), (50, 394790), (55, 358900), (74, 266750), (97, 203500), (100, 197395), (110, 179450), (125, 157916), (148, 133375), (185, 106700), (194, 101750), (220, 89725), (250, 78958), (275, 71780), (370, 53350), (388, 50875), (407, 48500), (485, 40700), (500, 39479), (550, 35890), (740, 26675), (814, 24250), (925, 21340), (970, 20350), (1067, 18500), (1100, 17945), (1375, 14356), (1628, 12125), (1850, 10670), (1940, 10175), (2035, 9700), (2134, 9250), (2425, 8140), (2750, 7178), (3589, 5500), (3700, 5335), (4070, 4850), (4268, 4625)]