18221140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18593}}^1$

素因数の和:18616

約数の個数: 36

約数和(自身を含む): 44514036

約数和(自身を除く): 26292896

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18593, 37186, 74372, 92965, 130151, 185930, 260302, 371860, 520604, 650755, 911057, 1301510, 1822114, 2603020, 3644228, 4555285, 9110570, 18221140]

約数ペア:

[(1, 18221140), (2, 9110570), (4, 4555285), (5, 3644228), (7, 2603020), (10, 1822114), (14, 1301510), (20, 911057), (28, 650755), (35, 520604), (49, 371860), (70, 260302), (98, 185930), (140, 130151), (196, 92965), (245, 74372), (490, 37186), (980, 18593)]