12640388

素因数分解:

$2^2\times {\mathrm{73}}^2\times {\mathrm{593}}^1$

素因数の和:743

約数の個数: 18

約数和(自身を含む): 22465674

約数和(自身を除く): 9825286

約数列:

[1, 2, 4, 73, 146, 292, 593, 1186, 2372, 5329, 10658, 21316, 43289, 86578, 173156, 3160097, 6320194, 12640388]

約数ペア:

[(1, 12640388), (2, 6320194), (4, 3160097), (73, 173156), (146, 86578), (292, 43289), (593, 21316), (1186, 10658), (2372, 5329)]