2019113860

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1\times {\mathrm{859}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 4272851520

約数和(自身を除く): 2253737660

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 557, 844, 859, 1055, 1114, 1718, 2110, 2228, 2785, 3436, 4220, 4295, 5570, 8590, 11140, 17180, 117527, 181249, 235054, 362498, 470108, 478463, 587635, 724996, 906245, 956926, 1175270, 1812490, 1913852, 2350540, 2392315, 3624980, 4784630, 9569260, 100955693, 201911386, 403822772, 504778465, 1009556930, 2019113860]

約数ペア:

[(1, 2019113860), (2, 1009556930), (4, 504778465), (5, 403822772), (10, 201911386), (20, 100955693), (211, 9569260), (422, 4784630), (557, 3624980), (844, 2392315), (859, 2350540), (1055, 1913852), (1114, 1812490), (1718, 1175270), (2110, 956926), (2228, 906245), (2785, 724996), (3436, 587635), (4220, 478463), (4295, 470108), (5570, 362498), (8590, 235054), (11140, 181249), (17180, 117527)]