208519490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20707}}^1$

素因数の和:20786

約数の個数: 32

約数和(自身を含む): 402563520

約数和(自身を除く): 194044030

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 2014, 5035, 10070, 20707, 41414, 103535, 207070, 393433, 786866, 1097471, 1967165, 2194942, 3934330, 5487355, 10974710, 20851949, 41703898, 104259745, 208519490]

約数ペア:

[(1, 208519490), (2, 104259745), (5, 41703898), (10, 20851949), (19, 10974710), (38, 5487355), (53, 3934330), (95, 2194942), (106, 1967165), (190, 1097471), (265, 786866), (530, 393433), (1007, 207070), (2014, 103535), (5035, 41414), (10070, 20707)]