18814155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 32270400

約数和(自身を除く): 13456245

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 829, 1335, 1513, 2487, 4145, 4539, 7565, 12435, 14093, 22695, 42279, 70465, 73781, 211395, 221343, 368905, 1106715, 1254277, 3762831, 6271385, 18814155]

約数ペア:

[(1, 18814155), (3, 6271385), (5, 3762831), (15, 1254277), (17, 1106715), (51, 368905), (85, 221343), (89, 211395), (255, 73781), (267, 70465), (445, 42279), (829, 22695), (1335, 14093), (1513, 12435), (2487, 7565), (4145, 4539)]