18722638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 14247602

約数列:

[1, 2, 11, 19, 22, 38, 47, 94, 209, 418, 517, 893, 953, 1034, 1786, 1906, 9823, 10483, 18107, 19646, 20966, 36214, 44791, 89582, 199177, 398354, 492701, 851029, 985402, 1702058, 9361319, 18722638]

約数ペア:

[(1, 18722638), (2, 9361319), (11, 1702058), (19, 985402), (22, 851029), (38, 492701), (47, 398354), (94, 199177), (209, 89582), (418, 44791), (517, 36214), (893, 20966), (953, 19646), (1034, 18107), (1786, 10483), (1906, 9823)]