19400868

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{23431}}^1$

素因数の和:23464

約数の個数: 36

約数和(自身を含む): 51175488

約数和(自身を除く): 31774620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 23431, 46862, 70293, 93724, 140586, 210879, 281172, 421758, 538913, 843516, 1077826, 1616739, 2155652, 3233478, 4850217, 6466956, 9700434, 19400868]

約数ペア:

[(1, 19400868), (2, 9700434), (3, 6466956), (4, 4850217), (6, 3233478), (9, 2155652), (12, 1616739), (18, 1077826), (23, 843516), (36, 538913), (46, 421758), (69, 281172), (92, 210879), (138, 140586), (207, 93724), (276, 70293), (414, 46862), (828, 23431)]