18724972

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9419}}^1$

素因数の和:9501

約数の個数: 24

約数和(自身を含む): 37981440

約数和(自身を除く): 19256468

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9419, 18838, 37676, 65933, 131866, 263732, 668749, 1337498, 2674996, 4681243, 9362486, 18724972]

約数ペア:

[(1, 18724972), (2, 9362486), (4, 4681243), (7, 2674996), (14, 1337498), (28, 668749), (71, 263732), (142, 131866), (284, 65933), (497, 37676), (994, 18838), (1988, 9419)]