18640952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4507}}^1$

素因数の和:4571

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 20308168

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 4507, 9014, 18028, 36056, 49577, 99154, 198308, 211829, 396616, 423658, 847316, 1694632, 2330119, 4660238, 9320476, 18640952]

約数ペア:

[(1, 18640952), (2, 9320476), (4, 4660238), (8, 2330119), (11, 1694632), (22, 847316), (44, 423658), (47, 396616), (88, 211829), (94, 198308), (188, 99154), (376, 49577), (517, 36056), (1034, 18028), (2068, 9014), (4136, 4507)]