2018997968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9706721}}^1$

素因数の和:9706742

約数の個数: 20

約数和(自身を含む): 4212717348

約数和(自身を除く): 2193719380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9706721, 19413442, 38826884, 77653768, 126187373, 155307536, 252374746, 504749492, 1009498984, 2018997968]

約数ペア:

[(1, 2018997968), (2, 1009498984), (4, 504749492), (8, 252374746), (13, 155307536), (16, 126187373), (26, 77653768), (52, 38826884), (104, 19413442), (208, 9706721)]