19739498

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1759}}^1$

素因数の和:1973

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 11011222

約数列:

[1, 2, 31, 62, 181, 362, 1759, 3518, 5611, 11222, 54529, 109058, 318379, 636758, 9869749, 19739498]

約数ペア:

[(1, 19739498), (2, 9869749), (31, 636758), (62, 318379), (181, 109058), (362, 54529), (1759, 11222), (3518, 5611)]