19787536

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12007}}^1$

素因数の和:12118

約数の個数: 20

約数和(自身を含む): 38713792

約数和(自身を除く): 18926256

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12007, 24014, 48028, 96056, 192112, 1236721, 2473442, 4946884, 9893768, 19787536]

約数ペア:

[(1, 19787536), (2, 9893768), (4, 4946884), (8, 2473442), (16, 1236721), (103, 192112), (206, 96056), (412, 48028), (824, 24014), (1648, 12007)]