19540728

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{2137}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 53364480

約数和(自身を除く): 33823752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2137, 2286, 3048, 4274, 4572, 6411, 8548, 9144, 12822, 17096, 19233, 25644, 38466, 51288, 76932, 153864, 271399, 542798, 814197, 1085596, 1628394, 2171192, 2442591, 3256788, 4885182, 6513576, 9770364, 19540728]

約数ペア:

[(1, 19540728), (2, 9770364), (3, 6513576), (4, 4885182), (6, 3256788), (8, 2442591), (9, 2171192), (12, 1628394), (18, 1085596), (24, 814197), (36, 542798), (72, 271399), (127, 153864), (254, 76932), (381, 51288), (508, 38466), (762, 25644), (1016, 19233), (1143, 17096), (1524, 12822), (2137, 9144), (2286, 8548), (3048, 6411), (4274, 4572)]