19630017

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 33291648

約数和(自身を除く): 13661631

約数列:

[1, 3, 9, 11, 23, 33, 37, 69, 99, 111, 207, 233, 253, 333, 407, 699, 759, 851, 1221, 2097, 2277, 2553, 2563, 3663, 5359, 7659, 7689, 8621, 9361, 16077, 23067, 25863, 28083, 48231, 58949, 77589, 84249, 94831, 176847, 198283, 284493, 530541, 594849, 853479, 1784547, 2181113, 6543339, 19630017]

約数ペア:

[(1, 19630017), (3, 6543339), (9, 2181113), (11, 1784547), (23, 853479), (33, 594849), (37, 530541), (69, 284493), (99, 198283), (111, 176847), (207, 94831), (233, 84249), (253, 77589), (333, 58949), (407, 48231), (699, 28083), (759, 25863), (851, 23067), (1221, 16077), (2097, 9361), (2277, 8621), (2553, 7689), (2563, 7659), (3663, 5359)]