19542782420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{723271}}^1$

素因数の和:723480

約数の個数: 48

約数和(自身を含む): 47145762048

約数和(自身を除く): 27602979628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3860, 5404, 6755, 13510, 27020, 723271, 1446542, 2893084, 3616355, 5062897, 7232710, 10125794, 14465420, 20251588, 25314485, 50628970, 101257940, 139591303, 279182606, 558365212, 697956515, 977139121, 1395913030, 1954278242, 2791826060, 3908556484, 4885695605, 9771391210, 19542782420]

約数ペア:

[(1, 19542782420), (2, 9771391210), (4, 4885695605), (5, 3908556484), (7, 2791826060), (10, 1954278242), (14, 1395913030), (20, 977139121), (28, 697956515), (35, 558365212), (70, 279182606), (140, 139591303), (193, 101257940), (386, 50628970), (772, 25314485), (965, 20251588), (1351, 14465420), (1930, 10125794), (2702, 7232710), (3860, 5062897), (5404, 3616355), (6755, 2893084), (13510, 1446542), (27020, 723271)]