17978766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4349}}^1$

素因数の和:4420

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 21484434

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4349, 8698, 13047, 26094, 56537, 113074, 169611, 230497, 339222, 460994, 691491, 1382982, 2996461, 5992922, 8989383, 17978766]

約数ペア:

[(1, 17978766), (2, 8989383), (3, 5992922), (6, 2996461), (13, 1382982), (26, 691491), (39, 460994), (53, 339222), (78, 230497), (106, 169611), (159, 113074), (318, 56537), (689, 26094), (1378, 13047), (2067, 8698), (4134, 4349)]