18784064

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 56

約数和(自身を含む): 40709088

約数和(自身を除く): 21925024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 107, 208, 211, 214, 416, 422, 428, 832, 844, 856, 1391, 1688, 1712, 2743, 2782, 3376, 3424, 5486, 5564, 6752, 6848, 10972, 11128, 13504, 21944, 22256, 22577, 43888, 44512, 45154, 87776, 89024, 90308, 175552, 180616, 293501, 361232, 587002, 722464, 1174004, 1444928, 2348008, 4696016, 9392032, 18784064]

約数ペア:

[(1, 18784064), (2, 9392032), (4, 4696016), (8, 2348008), (13, 1444928), (16, 1174004), (26, 722464), (32, 587002), (52, 361232), (64, 293501), (104, 180616), (107, 175552), (208, 90308), (211, 89024), (214, 87776), (416, 45154), (422, 44512), (428, 43888), (832, 22577), (844, 22256), (856, 21944), (1391, 13504), (1688, 11128), (1712, 10972), (2743, 6848), (2782, 6752), (3376, 5564), (3424, 5486)]