19379655

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 35138400

約数和(自身を除く): 15758745

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 439, 545, 981, 1317, 1635, 2195, 2943, 3951, 4905, 6585, 8829, 11853, 14715, 19755, 35559, 44145, 47851, 59265, 143553, 177795, 239255, 430659, 717765, 1291977, 2153295, 3875931, 6459885, 19379655]

約数ペア:

[(1, 19379655), (3, 6459885), (5, 3875931), (9, 2153295), (15, 1291977), (27, 717765), (45, 430659), (81, 239255), (109, 177795), (135, 143553), (327, 59265), (405, 47851), (439, 44145), (545, 35559), (981, 19755), (1317, 14715), (1635, 11853), (2195, 8829), (2943, 6585), (3951, 4905)]