18963555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 14152605

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1231, 3081, 3693, 5135, 6155, 15405, 16003, 18465, 48009, 80015, 97249, 240045, 291747, 486245, 1264237, 1458735, 3792711, 6321185, 18963555]

約数ペア:

[(1, 18963555), (3, 6321185), (5, 3792711), (13, 1458735), (15, 1264237), (39, 486245), (65, 291747), (79, 240045), (195, 97249), (237, 80015), (395, 48009), (1027, 18465), (1185, 16003), (1231, 15405), (3081, 6155), (3693, 5135)]