19431240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{839}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 58665600

約数和(自身を除く): 39234360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 839, 965, 1158, 1544, 1678, 1930, 2316, 2517, 2895, 3356, 3860, 4195, 4632, 5034, 5790, 6712, 7720, 8390, 10068, 11580, 12585, 16780, 20136, 23160, 25170, 33560, 50340, 100680, 161927, 323854, 485781, 647708, 809635, 971562, 1295416, 1619270, 1943124, 2428905, 3238540, 3886248, 4857810, 6477080, 9715620, 19431240]

約数ペア:

[(1, 19431240), (2, 9715620), (3, 6477080), (4, 4857810), (5, 3886248), (6, 3238540), (8, 2428905), (10, 1943124), (12, 1619270), (15, 1295416), (20, 971562), (24, 809635), (30, 647708), (40, 485781), (60, 323854), (120, 161927), (193, 100680), (386, 50340), (579, 33560), (772, 25170), (839, 23160), (965, 20136), (1158, 16780), (1544, 12585), (1678, 11580), (1930, 10068), (2316, 8390), (2517, 7720), (2895, 6712), (3356, 5790), (3860, 5034), (4195, 4632)]