18628912

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19087}}^1$

素因数の和:19156

約数の個数: 20

約数和(自身を含む): 36687136

約数和(自身を除く): 18058224

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19087, 38174, 76348, 152696, 305392, 1164307, 2328614, 4657228, 9314456, 18628912]

約数ペア:

[(1, 18628912), (2, 9314456), (4, 4657228), (8, 2328614), (16, 1164307), (61, 305392), (122, 152696), (244, 76348), (488, 38174), (976, 19087)]