16965001820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3541}}^1\times {\mathrm{18427}}^1$

素因数の和:21990

約数の個数: 48

約数和(自身を含む): 38379921888

約数和(自身を除く): 21414920068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3541, 7082, 14164, 17705, 18427, 35410, 36854, 46033, 70820, 73708, 92066, 92135, 184132, 184270, 230165, 239551, 368540, 460330, 479102, 920660, 958204, 1197755, 2395510, 4791020, 65250007, 130500014, 261000028, 326250035, 652500070, 848250091, 1305000140, 1696500182, 3393000364, 4241250455, 8482500910, 16965001820]

約数ペア:

[(1, 16965001820), (2, 8482500910), (4, 4241250455), (5, 3393000364), (10, 1696500182), (13, 1305000140), (20, 848250091), (26, 652500070), (52, 326250035), (65, 261000028), (130, 130500014), (260, 65250007), (3541, 4791020), (7082, 2395510), (14164, 1197755), (17705, 958204), (18427, 920660), (35410, 479102), (36854, 460330), (46033, 368540), (70820, 239551), (73708, 230165), (92066, 184270), (92135, 184132)]