18711944494

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{3319}}^1\times {\mathrm{39703}}^1$

素因数の和:43095

約数の個数: 16

約数和(自身を含む): 28472532480

約数和(自身を除く): 9760587986

約数列:

[1, 2, 71, 142, 3319, 6638, 39703, 79406, 235649, 471298, 2818913, 5637826, 131774257, 263548514, 9355972247, 18711944494]

約数ペア:

[(1, 18711944494), (2, 9355972247), (71, 263548514), (142, 131774257), (3319, 5637826), (6638, 2818913), (39703, 471298), (79406, 235649)]