18050780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7459}}^1$

素因数の和:7490

約数の個数: 36

約数和(自身を含む): 41671560

約数和(自身を除く): 23620780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7459, 14918, 29836, 37295, 74590, 82049, 149180, 164098, 328196, 410245, 820490, 902539, 1640980, 1805078, 3610156, 4512695, 9025390, 18050780]

約数ペア:

[(1, 18050780), (2, 9025390), (4, 4512695), (5, 3610156), (10, 1805078), (11, 1640980), (20, 902539), (22, 820490), (44, 410245), (55, 328196), (110, 164098), (121, 149180), (220, 82049), (242, 74590), (484, 37295), (605, 29836), (1210, 14918), (2420, 7459)]