19465120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 48678084

約数和(自身を除く): 29212964

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 337, 361, 380, 608, 674, 722, 760, 1348, 1444, 1520, 1685, 1805, 2696, 2888, 3040, 3370, 3610, 5392, 5776, 6403, 6740, 7220, 10784, 11552, 12806, 13480, 14440, 25612, 26960, 28880, 32015, 51224, 53920, 57760, 64030, 102448, 121657, 128060, 204896, 243314, 256120, 486628, 512240, 608285, 973256, 1024480, 1216570, 1946512, 2433140, 3893024, 4866280, 9732560, 19465120]

約数ペア:

[(1, 19465120), (2, 9732560), (4, 4866280), (5, 3893024), (8, 2433140), (10, 1946512), (16, 1216570), (19, 1024480), (20, 973256), (32, 608285), (38, 512240), (40, 486628), (76, 256120), (80, 243314), (95, 204896), (152, 128060), (160, 121657), (190, 102448), (304, 64030), (337, 57760), (361, 53920), (380, 51224), (608, 32015), (674, 28880), (722, 26960), (760, 25612), (1348, 14440), (1444, 13480), (1520, 12806), (1685, 11552), (1805, 10784), (2696, 7220), (2888, 6740), (3040, 6403), (3370, 5776), (3610, 5392)]