19490142

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{66293}}^1$

素因数の和:66312

約数の個数: 24

約数和(自身を含む): 45345096

約数和(自身を除く): 25854954

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 66293, 132586, 198879, 397758, 464051, 928102, 1392153, 2784306, 3248357, 6496714, 9745071, 19490142]

約数ペア:

[(1, 19490142), (2, 9745071), (3, 6496714), (6, 3248357), (7, 2784306), (14, 1392153), (21, 928102), (42, 464051), (49, 397758), (98, 198879), (147, 132586), (294, 66293)]