18930518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2089}}^1$

素因数の和:2311

約数の個数: 16

約数和(自身を含む): 29795040

約数和(自身を除く): 10864522

約数列:

[1, 2, 23, 46, 197, 394, 2089, 4178, 4531, 9062, 48047, 96094, 411533, 823066, 9465259, 18930518]

約数ペア:

[(1, 18930518), (2, 9465259), (23, 823066), (46, 411533), (197, 96094), (394, 48047), (2089, 9062), (4178, 4531)]