19800944

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4373}}^1$

素因数の和:4664

約数の個数: 20

約数和(自身を含む): 38508696

約数和(自身を除く): 18707752

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4373, 4528, 8746, 17492, 34984, 69968, 1237559, 2475118, 4950236, 9900472, 19800944]

約数ペア:

[(1, 19800944), (2, 9900472), (4, 4950236), (8, 2475118), (16, 1237559), (283, 69968), (566, 34984), (1132, 17492), (2264, 8746), (4373, 4528)]