19201335

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 32667840

約数和(自身を除く): 13466505

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 1193, 3219, 3579, 5365, 5965, 16095, 17895, 34597, 44141, 103791, 132423, 172985, 220705, 518955, 662115, 1280089, 3840267, 6400445, 19201335]

約数ペア:

[(1, 19201335), (3, 6400445), (5, 3840267), (15, 1280089), (29, 662115), (37, 518955), (87, 220705), (111, 172985), (145, 132423), (185, 103791), (435, 44141), (555, 34597), (1073, 17895), (1193, 16095), (3219, 5965), (3579, 5365)]