19955056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113381}}^1$

素因数の和:113400

約数の個数: 20

約数和(自身を含む): 42178104

約数和(自身を除く): 22223048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113381, 226762, 453524, 907048, 1247191, 1814096, 2494382, 4988764, 9977528, 19955056]

約数ペア:

[(1, 19955056), (2, 9977528), (4, 4988764), (8, 2494382), (11, 1814096), (16, 1247191), (22, 907048), (44, 453524), (88, 226762), (176, 113381)]