19976594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22147}}^1$

素因数の和:22201

約数の個数: 16

約数和(自身を含む): 33487776

約数和(自身を除く): 13511182

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22147, 44294, 243617, 487234, 908027, 1816054, 9988297, 19976594]

約数ペア:

[(1, 19976594), (2, 9988297), (11, 1816054), (22, 908027), (41, 487234), (82, 243617), (451, 44294), (902, 22147)]