18489008

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{39847}}^1$

素因数の和:39884

約数の個数: 20

約数和(自身を含む): 37058640

約数和(自身を除く): 18569632

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 39847, 79694, 159388, 318776, 637552, 1155563, 2311126, 4622252, 9244504, 18489008]

約数ペア:

[(1, 18489008), (2, 9244504), (4, 4622252), (8, 2311126), (16, 1155563), (29, 637552), (58, 318776), (116, 159388), (232, 79694), (464, 39847)]