2019949311980

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{5119}}^1\times {\mathrm{9811}}^1$

素因数の和:16950

約数の個数: 48

約数和(自身を含む): 4245264629760

約数和(自身を除く): 2225315317780

約数列:

[1, 2, 4, 5, 10, 20, 2011, 4022, 5119, 8044, 9811, 10055, 10238, 19622, 20110, 20476, 25595, 39244, 40220, 49055, 51190, 98110, 102380, 196220, 10294309, 19729921, 20588618, 39459842, 41177236, 50222509, 51471545, 78919684, 98649605, 100445018, 102943090, 197299210, 200890036, 205886180, 251112545, 394598420, 502225090, 1004450180, 100997465599, 201994931198, 403989862396, 504987327995, 1009974655990, 2019949311980]

約数ペア:

[(1, 2019949311980), (2, 1009974655990), (4, 504987327995), (5, 403989862396), (10, 201994931198), (20, 100997465599), (2011, 1004450180), (4022, 502225090), (5119, 394598420), (8044, 251112545), (9811, 205886180), (10055, 200890036), (10238, 197299210), (19622, 102943090), (20110, 100445018), (20476, 98649605), (25595, 78919684), (39244, 51471545), (40220, 50222509), (49055, 41177236), (51190, 39459842), (98110, 20588618), (102380, 19729921), (196220, 10294309)]