18101345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 24634368

約数和(自身を除く): 6533023

約数列:

[1, 5, 17, 23, 47, 85, 115, 197, 235, 391, 799, 985, 1081, 1955, 3349, 3995, 4531, 5405, 9259, 16745, 18377, 22655, 46295, 77027, 91885, 157403, 212957, 385135, 787015, 1064785, 3620269, 18101345]

約数ペア:

[(1, 18101345), (5, 3620269), (17, 1064785), (23, 787015), (47, 385135), (85, 212957), (115, 157403), (197, 91885), (235, 77027), (391, 46295), (799, 22655), (985, 18377), (1081, 16745), (1955, 9259), (3349, 5405), (3995, 4531)]