19819366

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 34947072

約数和(自身を除く): 15127706

約数列:

[1, 2, 7, 14, 71, 127, 142, 157, 254, 314, 497, 889, 994, 1099, 1778, 2198, 9017, 11147, 18034, 19939, 22294, 39878, 63119, 78029, 126238, 139573, 156058, 279146, 1415669, 2831338, 9909683, 19819366]

約数ペア:

[(1, 19819366), (2, 9909683), (7, 2831338), (14, 1415669), (71, 279146), (127, 156058), (142, 139573), (157, 126238), (254, 78029), (314, 63119), (497, 39878), (889, 22294), (994, 19939), (1099, 18034), (1778, 11147), (2198, 9017)]