18358538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 32099328

約数和(自身を除く): 13740790

約数列:

[1, 2, 11, 17, 22, 34, 187, 191, 257, 374, 382, 514, 2101, 2827, 3247, 4202, 4369, 5654, 6494, 8738, 35717, 48059, 49087, 71434, 96118, 98174, 539957, 834479, 1079914, 1668958, 9179269, 18358538]

約数ペア:

[(1, 18358538), (2, 9179269), (11, 1668958), (17, 1079914), (22, 834479), (34, 539957), (187, 98174), (191, 96118), (257, 71434), (374, 49087), (382, 48059), (514, 35717), (2101, 8738), (2827, 6494), (3247, 5654), (4202, 4369)]