19317909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7393}}^1$

素因数の和:7476

約数の個数: 16

約数和(自身を含む): 28156352

約数和(自身を除く): 8838443

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7393, 22179, 96109, 288327, 495331, 1485993, 6439303, 19317909]

約数ペア:

[(1, 19317909), (3, 6439303), (13, 1485993), (39, 495331), (67, 288327), (201, 96109), (871, 22179), (2613, 7393)]