19740528064

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7173157}}^1$

素因数の和:7173212

約数の個数: 28

約数和(自身を含む): 40083606904

約数和(自身を除く): 20343078840

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7173157, 14346314, 28692628, 57385256, 114770512, 229541024, 308445751, 459082048, 616891502, 1233783004, 2467566008, 4935132016, 9870264032, 19740528064]

約数ペア:

[(1, 19740528064), (2, 9870264032), (4, 4935132016), (8, 2467566008), (16, 1233783004), (32, 616891502), (43, 459082048), (64, 308445751), (86, 229541024), (172, 114770512), (344, 57385256), (688, 28692628), (1376, 14346314), (2752, 7173157)]