19188459

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 29462160

約数和(自身を除く): 10273701

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 1987, 3219, 5961, 9657, 17883, 57623, 73519, 172869, 220557, 518607, 661671, 2132051, 6396153, 19188459]

約数ペア:

[(1, 19188459), (3, 6396153), (9, 2132051), (29, 661671), (37, 518607), (87, 220557), (111, 172869), (261, 73519), (333, 57623), (1073, 17883), (1987, 9657), (3219, 5961)]