18680053970

素因数分解:

$2^1\times 5^1\times {\mathrm{4423}}^1\times {\mathrm{422339}}^1$

素因数の和:426769

約数の個数: 16

約数和(自身を含む): 33631778880

約数和(自身を除く): 14951724910

約数列:

[1, 2, 5, 10, 4423, 8846, 22115, 44230, 422339, 844678, 2111695, 4223390, 1868005397, 3736010794, 9340026985, 18680053970]

約数ペア:

[(1, 18680053970), (2, 9340026985), (5, 3736010794), (10, 1868005397), (4423, 4223390), (8846, 2111695), (22115, 844678), (44230, 422339)]