18304239

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 8548881

約数列:

[1, 3, 19, 53, 57, 73, 83, 159, 219, 249, 1007, 1387, 1577, 3021, 3869, 4161, 4399, 4731, 6059, 11607, 13197, 18177, 73511, 83581, 115121, 220533, 250743, 321127, 345363, 963381, 6101413, 18304239]

約数ペア:

[(1, 18304239), (3, 6101413), (19, 963381), (53, 345363), (57, 321127), (73, 250743), (83, 220533), (159, 115121), (219, 83581), (249, 73511), (1007, 18177), (1387, 13197), (1577, 11607), (3021, 6059), (3869, 4731), (4161, 4399)]