19089320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3643}}^1$

素因数の和:3785

約数の個数: 32

約数和(自身を含む): 43290720

約数和(自身を除く): 24201400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3643, 5240, 7286, 14572, 18215, 29144, 36430, 72860, 145720, 477233, 954466, 1908932, 2386165, 3817864, 4772330, 9544660, 19089320]

約数ペア:

[(1, 19089320), (2, 9544660), (4, 4772330), (5, 3817864), (8, 2386165), (10, 1908932), (20, 954466), (40, 477233), (131, 145720), (262, 72860), (524, 36430), (655, 29144), (1048, 18215), (1310, 14572), (2620, 7286), (3643, 5240)]