18647626

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 12145334

約数列:

[1, 2, 19, 38, 47, 53, 94, 106, 197, 394, 893, 1007, 1786, 2014, 2491, 3743, 4982, 7486, 9259, 10441, 18518, 20882, 47329, 94658, 175921, 198379, 351842, 396758, 490727, 981454, 9323813, 18647626]

約数ペア:

[(1, 18647626), (2, 9323813), (19, 981454), (38, 490727), (47, 396758), (53, 351842), (94, 198379), (106, 175921), (197, 94658), (394, 47329), (893, 20882), (1007, 18518), (1786, 10441), (2014, 9259), (2491, 7486), (3743, 4982)]