19893013

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 3746027

約数列:

[1, 7, 37, 89, 259, 623, 863, 3293, 6041, 23051, 31931, 76807, 223517, 537649, 2841859, 19893013]

約数ペア:

[(1, 19893013), (7, 2841859), (37, 537649), (89, 223517), (259, 76807), (623, 31931), (863, 23051), (3293, 6041)]