19544840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 52678080

約数和(自身を除く): 33133240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 83, 116, 140, 145, 166, 203, 232, 280, 290, 332, 406, 415, 580, 581, 664, 812, 830, 841, 1015, 1160, 1162, 1624, 1660, 1682, 2030, 2324, 2407, 2905, 3320, 3364, 4060, 4205, 4648, 4814, 5810, 5887, 6728, 8120, 8410, 9628, 11620, 11774, 12035, 16820, 16849, 19256, 23240, 23548, 24070, 29435, 33640, 33698, 47096, 48140, 58870, 67396, 69803, 84245, 96280, 117740, 134792, 139606, 168490, 235480, 279212, 336980, 349015, 488621, 558424, 673960, 698030, 977242, 1396060, 1954484, 2443105, 2792120, 3908968, 4886210, 9772420, 19544840]

約数ペア:

[(1, 19544840), (2, 9772420), (4, 4886210), (5, 3908968), (7, 2792120), (8, 2443105), (10, 1954484), (14, 1396060), (20, 977242), (28, 698030), (29, 673960), (35, 558424), (40, 488621), (56, 349015), (58, 336980), (70, 279212), (83, 235480), (116, 168490), (140, 139606), (145, 134792), (166, 117740), (203, 96280), (232, 84245), (280, 69803), (290, 67396), (332, 58870), (406, 48140), (415, 47096), (580, 33698), (581, 33640), (664, 29435), (812, 24070), (830, 23548), (841, 23240), (1015, 19256), (1160, 16849), (1162, 16820), (1624, 12035), (1660, 11774), (1682, 11620), (2030, 9628), (2324, 8410), (2407, 8120), (2905, 6728), (3320, 5887), (3364, 5810), (4060, 4814), (4205, 4648)]