19726142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6571}}^1$

素因数の和:6671

約数の個数: 16

約数和(自身を含む): 31545600

約数和(自身を除く): 11819458

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 6571, 13142, 124849, 249698, 519109, 1038218, 9863071, 19726142]

約数ペア:

[(1, 19726142), (2, 9863071), (19, 1038218), (38, 519109), (79, 249698), (158, 124849), (1501, 13142), (3002, 6571)]