19980930148

素因数分解:

$2^2\times {\mathrm{487}}^1\times {\mathrm{10257151}}^1$

素因数の和:10257642

約数の個数: 12

約数和(自身を含む): 35038431232

約数和(自身を除く): 15057501084

約数列:

[1, 2, 4, 487, 974, 1948, 10257151, 20514302, 41028604, 4995232537, 9990465074, 19980930148]

約数ペア:

[(1, 19980930148), (2, 9990465074), (4, 4995232537), (487, 41028604), (974, 20514302), (1948, 10257151)]