18945255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2693}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 35172864

約数和(自身を除く): 16227609

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 2693, 7035, 8079, 13465, 18851, 40395, 56553, 94255, 180431, 282765, 541293, 902155, 1263017, 2706465, 3789051, 6315085, 18945255]

約数ペア:

[(1, 18945255), (3, 6315085), (5, 3789051), (7, 2706465), (15, 1263017), (21, 902155), (35, 541293), (67, 282765), (105, 180431), (201, 94255), (335, 56553), (469, 40395), (1005, 18851), (1407, 13465), (2345, 8079), (2693, 7035)]