19877462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12377}}^1$

素因数の和:12463

約数の個数: 16

約数和(自身を含む): 32974992

約数和(自身を除く): 13097530

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12377, 24754, 136147, 272294, 903521, 1807042, 9938731, 19877462]

約数ペア:

[(1, 19877462), (2, 9938731), (11, 1807042), (22, 903521), (73, 272294), (146, 136147), (803, 24754), (1606, 12377)]