19969804798

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1\times {\mathrm{3659}}^1$

素因数の和:4392

約数の個数: 32

約数和(自身を含む): 31062683520

約数和(自身を除く): 11092878722

約数列:

[1, 2, 37, 74, 131, 262, 563, 1126, 3659, 4847, 7318, 9694, 20831, 41662, 73753, 135383, 147506, 270766, 479329, 958658, 2060017, 2728861, 4120034, 5457722, 17735173, 35470346, 76220629, 152441258, 269862227, 539724454, 9984902399, 19969804798]

約数ペア:

[(1, 19969804798), (2, 9984902399), (37, 539724454), (74, 269862227), (131, 152441258), (262, 76220629), (563, 35470346), (1126, 17735173), (3659, 5457722), (4847, 4120034), (7318, 2728861), (9694, 2060017), (20831, 958658), (41662, 479329), (73753, 270766), (135383, 147506)]