18989892

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{27763}}^1$

素因数の和:27792

約数の個数: 36

約数和(自身を含む): 50530480

約数和(自身を除く): 31540588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 27763, 55526, 83289, 111052, 166578, 249867, 333156, 499734, 527497, 999468, 1054994, 1582491, 2109988, 3164982, 4747473, 6329964, 9494946, 18989892]

約数ペア:

[(1, 18989892), (2, 9494946), (3, 6329964), (4, 4747473), (6, 3164982), (9, 2109988), (12, 1582491), (18, 1054994), (19, 999468), (36, 527497), (38, 499734), (57, 333156), (76, 249867), (114, 166578), (171, 111052), (228, 83289), (342, 55526), (684, 27763)]