1515671078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1\times {\mathrm{19973}}^1$

素因数の和:21991

約数の個数: 16

約数和(自身を含む): 2394483120

約数和(自身を除く): 878812042

約数列:

[1, 2, 19, 38, 1997, 3994, 19973, 37943, 39946, 75886, 379487, 758974, 39886081, 79772162, 757835539, 1515671078]

約数ペア:

[(1, 1515671078), (2, 757835539), (19, 79772162), (38, 39886081), (1997, 758974), (3994, 379487), (19973, 75886), (37943, 39946)]