31031864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1873}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 61842000

約数和(自身を除く): 30810136

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1873, 2071, 3746, 4142, 7492, 8284, 14984, 16568, 35587, 71174, 142348, 204157, 284696, 408314, 816628, 1633256, 3878983, 7757966, 15515932, 31031864]

約数ペア:

[(1, 31031864), (2, 15515932), (4, 7757966), (8, 3878983), (19, 1633256), (38, 816628), (76, 408314), (109, 284696), (152, 204157), (218, 142348), (436, 71174), (872, 35587), (1873, 16568), (2071, 14984), (3746, 8284), (4142, 7492)]