20180920356

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4091833}}^1$

素因数の和:4091980

約数の個数: 36

約数和(自身を含む): 51385251372

約数和(自身を除く): 31204331016

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4932, 4091833, 8183666, 12275499, 16367332, 24550998, 36826497, 49101996, 73652994, 147305988, 560581121, 1121162242, 1681743363, 2242324484, 3363486726, 5045230089, 6726973452, 10090460178, 20180920356]

約数ペア:

[(1, 20180920356), (2, 10090460178), (3, 6726973452), (4, 5045230089), (6, 3363486726), (9, 2242324484), (12, 1681743363), (18, 1121162242), (36, 560581121), (137, 147305988), (274, 73652994), (411, 49101996), (548, 36826497), (822, 24550998), (1233, 16367332), (1644, 12275499), (2466, 8183666), (4932, 4091833)]