18147812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2683}}^1$

素因数の和:2795

約数の個数: 24

約数和(自身を含む): 33818400

約数和(自身を除く): 15670588

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 2683, 3382, 5366, 6764, 10732, 50977, 101954, 203908, 238787, 477574, 955148, 4536953, 9073906, 18147812]

約数ペア:

[(1, 18147812), (2, 9073906), (4, 4536953), (19, 955148), (38, 477574), (76, 238787), (89, 203908), (178, 101954), (356, 50977), (1691, 10732), (2683, 6764), (3382, 5366)]