19063850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 38643360

約数和(自身を除く): 19579510

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 139, 211, 278, 325, 422, 650, 695, 1055, 1390, 1807, 2110, 2743, 3475, 3614, 5275, 5486, 6950, 9035, 10550, 13715, 18070, 27430, 29329, 45175, 58658, 68575, 90350, 137150, 146645, 293290, 381277, 733225, 762554, 1466450, 1906385, 3812770, 9531925, 19063850]

約数ペア:

[(1, 19063850), (2, 9531925), (5, 3812770), (10, 1906385), (13, 1466450), (25, 762554), (26, 733225), (50, 381277), (65, 293290), (130, 146645), (139, 137150), (211, 90350), (278, 68575), (325, 58658), (422, 45175), (650, 29329), (695, 27430), (1055, 18070), (1390, 13715), (1807, 10550), (2110, 9035), (2743, 6950), (3475, 5486), (3614, 5275)]