18893276

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 33939360

約数和(自身を除く): 15046084

約数列:

[1, 2, 4, 73, 89, 146, 178, 292, 356, 727, 1454, 2908, 6497, 12994, 25988, 53071, 64703, 106142, 129406, 212284, 258812, 4723319, 9446638, 18893276]

約数ペア:

[(1, 18893276), (2, 9446638), (4, 4723319), (73, 258812), (89, 212284), (146, 129406), (178, 106142), (292, 64703), (356, 53071), (727, 25988), (1454, 12994), (2908, 6497)]