19802288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1907}}^1$

素因数の和:1985

約数の個数: 40

約数和(自身を含む): 42586560

約数和(自身を除く): 22784272

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 1907, 2596, 3814, 5192, 7628, 10384, 15256, 20977, 30512, 41954, 83908, 112513, 167816, 225026, 335632, 450052, 900104, 1237643, 1800208, 2475286, 4950572, 9901144, 19802288]

約数ペア:

[(1, 19802288), (2, 9901144), (4, 4950572), (8, 2475286), (11, 1800208), (16, 1237643), (22, 900104), (44, 450052), (59, 335632), (88, 225026), (118, 167816), (176, 112513), (236, 83908), (472, 41954), (649, 30512), (944, 20977), (1298, 15256), (1907, 10384), (2596, 7628), (3814, 5192)]