17865952

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 38504592

約数和(自身を除く): 20638640

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 641, 871, 1072, 1282, 1742, 2144, 2564, 3484, 5128, 6968, 8333, 10256, 13936, 16666, 20512, 27872, 33332, 42947, 66664, 85894, 133328, 171788, 266656, 343576, 558311, 687152, 1116622, 1374304, 2233244, 4466488, 8932976, 17865952]

約数ペア:

[(1, 17865952), (2, 8932976), (4, 4466488), (8, 2233244), (13, 1374304), (16, 1116622), (26, 687152), (32, 558311), (52, 343576), (67, 266656), (104, 171788), (134, 133328), (208, 85894), (268, 66664), (416, 42947), (536, 33332), (641, 27872), (871, 20512), (1072, 16666), (1282, 13936), (1742, 10256), (2144, 8333), (2564, 6968), (3484, 5128)]