19599220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 43400448

約数和(自身を除く): 23801228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 311, 460, 548, 622, 685, 1244, 1370, 1555, 2740, 3110, 3151, 6220, 6302, 7153, 12604, 14306, 15755, 28612, 31510, 35765, 42607, 63020, 71530, 85214, 143060, 170428, 213035, 426070, 852140, 979961, 1959922, 3919844, 4899805, 9799610, 19599220]

約数ペア:

[(1, 19599220), (2, 9799610), (4, 4899805), (5, 3919844), (10, 1959922), (20, 979961), (23, 852140), (46, 426070), (92, 213035), (115, 170428), (137, 143060), (230, 85214), (274, 71530), (311, 63020), (460, 42607), (548, 35765), (622, 31510), (685, 28612), (1244, 15755), (1370, 14306), (1555, 12604), (2740, 7153), (3110, 6302), (3151, 6220)]