19129537

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 23012352

約数和(自身を除く): 3882815

約数列:

[1, 7, 23, 131, 161, 907, 917, 3013, 6349, 20861, 21091, 118817, 146027, 831719, 2732791, 19129537]

約数ペア:

[(1, 19129537), (7, 2732791), (23, 831719), (131, 146027), (161, 118817), (907, 21091), (917, 20861), (3013, 6349)]