19758848

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1072

約数の個数: 36

約数和(自身を含む): 39980640

約数和(自身を除く): 20221792

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 977, 1264, 1954, 2528, 3908, 5056, 7816, 10112, 15632, 20224, 31264, 62528, 77183, 125056, 154366, 250112, 308732, 617464, 1234928, 2469856, 4939712, 9879424, 19758848]

約数ペア:

[(1, 19758848), (2, 9879424), (4, 4939712), (8, 2469856), (16, 1234928), (32, 617464), (64, 308732), (79, 250112), (128, 154366), (158, 125056), (256, 77183), (316, 62528), (632, 31264), (977, 20224), (1264, 15632), (1954, 10112), (2528, 7816), (3908, 5056)]