19484520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 46611480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 509, 580, 638, 660, 696, 870, 957, 1018, 1160, 1276, 1320, 1527, 1595, 1740, 1914, 2036, 2545, 2552, 3054, 3190, 3480, 3828, 4072, 4785, 5090, 5599, 6108, 6380, 7635, 7656, 9570, 10180, 11198, 12216, 12760, 14761, 15270, 16797, 19140, 20360, 22396, 27995, 29522, 30540, 33594, 38280, 44283, 44792, 55990, 59044, 61080, 67188, 73805, 83985, 88566, 111980, 118088, 134376, 147610, 162371, 167970, 177132, 221415, 223960, 295220, 324742, 335940, 354264, 442830, 487113, 590440, 649484, 671880, 811855, 885660, 974226, 1298968, 1623710, 1771320, 1948452, 2435565, 3247420, 3896904, 4871130, 6494840, 9742260, 19484520]

約数ペア:

[(1, 19484520), (2, 9742260), (3, 6494840), (4, 4871130), (5, 3896904), (6, 3247420), (8, 2435565), (10, 1948452), (11, 1771320), (12, 1623710), (15, 1298968), (20, 974226), (22, 885660), (24, 811855), (29, 671880), (30, 649484), (33, 590440), (40, 487113), (44, 442830), (55, 354264), (58, 335940), (60, 324742), (66, 295220), (87, 223960), (88, 221415), (110, 177132), (116, 167970), (120, 162371), (132, 147610), (145, 134376), (165, 118088), (174, 111980), (220, 88566), (232, 83985), (264, 73805), (290, 67188), (319, 61080), (330, 59044), (348, 55990), (435, 44792), (440, 44283), (509, 38280), (580, 33594), (638, 30540), (660, 29522), (696, 27995), (870, 22396), (957, 20360), (1018, 19140), (1160, 16797), (1276, 15270), (1320, 14761), (1527, 12760), (1595, 12216), (1740, 11198), (1914, 10180), (2036, 9570), (2545, 7656), (2552, 7635), (3054, 6380), (3190, 6108), (3480, 5599), (3828, 5090), (4072, 4785)]