18501945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 37545984

約数和(自身を除く): 19044039

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 83, 105, 165, 193, 231, 249, 385, 415, 579, 581, 913, 965, 1155, 1245, 1351, 1743, 2123, 2739, 2895, 2905, 4053, 4565, 6369, 6391, 6755, 8715, 10615, 13695, 14861, 16019, 19173, 20265, 31845, 31955, 44583, 48057, 74305, 80095, 95865, 112133, 176209, 222915, 240285, 336399, 528627, 560665, 881045, 1233463, 1681995, 2643135, 3700389, 6167315, 18501945]

約数ペア:

[(1, 18501945), (3, 6167315), (5, 3700389), (7, 2643135), (11, 1681995), (15, 1233463), (21, 881045), (33, 560665), (35, 528627), (55, 336399), (77, 240285), (83, 222915), (105, 176209), (165, 112133), (193, 95865), (231, 80095), (249, 74305), (385, 48057), (415, 44583), (579, 31955), (581, 31845), (913, 20265), (965, 19173), (1155, 16019), (1245, 14861), (1351, 13695), (1743, 10615), (2123, 8715), (2739, 6755), (2895, 6391), (2905, 6369), (4053, 4565)]