19662448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94531}}^1$

素因数の和:94552

約数の個数: 20

約数和(自身を含む): 41026888

約数和(自身を除く): 21364440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94531, 189062, 378124, 756248, 1228903, 1512496, 2457806, 4915612, 9831224, 19662448]

約数ペア:

[(1, 19662448), (2, 9831224), (4, 4915612), (8, 2457806), (13, 1512496), (16, 1228903), (26, 756248), (52, 378124), (104, 189062), (208, 94531)]