2019496310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{218797}}^1$

素因数の和:218888

約数の個数: 32

約数和(自身を含む): 3969870912

約数和(自身を除く): 1950374602

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 218797, 437594, 1093985, 2187970, 2844361, 5688722, 14221805, 15534587, 28443610, 31069174, 77672935, 155345870, 201949631, 403899262, 1009748155, 2019496310]

約数ペア:

[(1, 2019496310), (2, 1009748155), (5, 403899262), (10, 201949631), (13, 155345870), (26, 77672935), (65, 31069174), (71, 28443610), (130, 15534587), (142, 14221805), (355, 5688722), (710, 2844361), (923, 2187970), (1846, 1093985), (4615, 437594), (9230, 218797)]