19481000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 192

約数和(自身を含む): 59754240

約数和(自身を除く): 40273240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 25, 28, 35, 40, 44, 46, 50, 55, 56, 70, 77, 88, 92, 100, 110, 115, 121, 125, 140, 154, 161, 175, 184, 200, 220, 230, 242, 250, 253, 275, 280, 308, 322, 350, 385, 440, 460, 484, 500, 506, 550, 575, 605, 616, 644, 700, 770, 805, 847, 875, 920, 968, 1000, 1012, 1100, 1150, 1210, 1265, 1288, 1375, 1400, 1540, 1610, 1694, 1750, 1771, 1925, 2024, 2200, 2300, 2420, 2530, 2750, 2783, 2875, 3025, 3080, 3220, 3388, 3500, 3542, 3850, 4025, 4235, 4600, 4840, 5060, 5500, 5566, 5750, 6050, 6325, 6440, 6776, 7000, 7084, 7700, 8050, 8470, 8855, 9625, 10120, 11000, 11132, 11500, 12100, 12650, 13915, 14168, 15125, 15400, 16100, 16940, 17710, 19250, 19481, 20125, 21175, 22264, 23000, 24200, 25300, 27830, 30250, 31625, 32200, 33880, 35420, 38500, 38962, 40250, 42350, 44275, 50600, 55660, 60500, 63250, 69575, 70840, 77000, 77924, 80500, 84700, 88550, 97405, 105875, 111320, 121000, 126500, 139150, 155848, 161000, 169400, 177100, 194810, 211750, 221375, 253000, 278300, 347875, 354200, 389620, 423500, 442750, 487025, 556600, 695750, 779240, 847000, 885500, 974050, 1391500, 1771000, 1948100, 2435125, 2783000, 3896200, 4870250, 9740500, 19481000]

約数ペア:

[(1, 19481000), (2, 9740500), (4, 4870250), (5, 3896200), (7, 2783000), (8, 2435125), (10, 1948100), (11, 1771000), (14, 1391500), (20, 974050), (22, 885500), (23, 847000), (25, 779240), (28, 695750), (35, 556600), (40, 487025), (44, 442750), (46, 423500), (50, 389620), (55, 354200), (56, 347875), (70, 278300), (77, 253000), (88, 221375), (92, 211750), (100, 194810), (110, 177100), (115, 169400), (121, 161000), (125, 155848), (140, 139150), (154, 126500), (161, 121000), (175, 111320), (184, 105875), (200, 97405), (220, 88550), (230, 84700), (242, 80500), (250, 77924), (253, 77000), (275, 70840), (280, 69575), (308, 63250), (322, 60500), (350, 55660), (385, 50600), (440, 44275), (460, 42350), (484, 40250), (500, 38962), (506, 38500), (550, 35420), (575, 33880), (605, 32200), (616, 31625), (644, 30250), (700, 27830), (770, 25300), (805, 24200), (847, 23000), (875, 22264), (920, 21175), (968, 20125), (1000, 19481), (1012, 19250), (1100, 17710), (1150, 16940), (1210, 16100), (1265, 15400), (1288, 15125), (1375, 14168), (1400, 13915), (1540, 12650), (1610, 12100), (1694, 11500), (1750, 11132), (1771, 11000), (1925, 10120), (2024, 9625), (2200, 8855), (2300, 8470), (2420, 8050), (2530, 7700), (2750, 7084), (2783, 7000), (2875, 6776), (3025, 6440), (3080, 6325), (3220, 6050), (3388, 5750), (3500, 5566), (3542, 5500), (3850, 5060), (4025, 4840), (4235, 4600)]