19460294

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 15963706

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 491, 982, 1043, 2086, 2831, 3437, 5662, 6874, 9329, 18658, 19817, 39634, 65303, 73159, 130606, 146318, 512113, 1024226, 1390021, 2780042, 9730147, 19460294]

約数ペア:

[(1, 19460294), (2, 9730147), (7, 2780042), (14, 1390021), (19, 1024226), (38, 512113), (133, 146318), (149, 130606), (266, 73159), (298, 65303), (491, 39634), (982, 19817), (1043, 18658), (2086, 9329), (2831, 6874), (3437, 5662)]