18841036016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{947357}}^1$

素因数の和:947489

約数の個数: 40

約数和(自身を含む): 40175558064

約数和(自身を除く): 21334522048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1808, 2486, 4972, 9944, 19888, 947357, 1894714, 3789428, 7578856, 10420927, 15157712, 20841854, 41683708, 83367416, 107051341, 166734832, 214102682, 428205364, 856410728, 1177564751, 1712821456, 2355129502, 4710259004, 9420518008, 18841036016]

約数ペア:

[(1, 18841036016), (2, 9420518008), (4, 4710259004), (8, 2355129502), (11, 1712821456), (16, 1177564751), (22, 856410728), (44, 428205364), (88, 214102682), (113, 166734832), (176, 107051341), (226, 83367416), (452, 41683708), (904, 20841854), (1243, 15157712), (1808, 10420927), (2486, 7578856), (4972, 3789428), (9944, 1894714), (19888, 947357)]