20171618788

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1\times {\mathrm{571}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 35922991104

約数和(自身を除く): 15751372316

約数列:

[1, 2, 4, 127, 197, 254, 353, 394, 508, 571, 706, 788, 1142, 1412, 2284, 25019, 44831, 50038, 69541, 72517, 89662, 100076, 112487, 139082, 145034, 179324, 201563, 224974, 278164, 290068, 403126, 449948, 806252, 8831707, 14285849, 17663414, 25598501, 28571698, 35326828, 39707911, 51197002, 57143396, 79415822, 102394004, 158831644, 5042904697, 10085809394, 20171618788]

約数ペア:

[(1, 20171618788), (2, 10085809394), (4, 5042904697), (127, 158831644), (197, 102394004), (254, 79415822), (353, 57143396), (394, 51197002), (508, 39707911), (571, 35326828), (706, 28571698), (788, 25598501), (1142, 17663414), (1412, 14285849), (2284, 8831707), (25019, 806252), (44831, 449948), (50038, 403126), (69541, 290068), (72517, 278164), (89662, 224974), (100076, 201563), (112487, 179324), (139082, 145034)]