19420394

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73009}}^1$

素因数の和:73037

約数の個数: 16

約数和(自身を含む): 35044800

約数和(自身を除く): 15624406

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 73009, 146018, 511063, 1022126, 1387171, 2774342, 9710197, 19420394]

約数ペア:

[(1, 19420394), (2, 9710197), (7, 2774342), (14, 1387171), (19, 1022126), (38, 511063), (133, 146018), (266, 73009)]