18989867679

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{541}}^1\times {\mathrm{683}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 26146704384

約数和(自身を除く): 7156836705

約数列:

[1, 3, 37, 111, 463, 541, 683, 1389, 1623, 2049, 17131, 20017, 25271, 51393, 60051, 75813, 250483, 316229, 369503, 751449, 948687, 1108509, 9267871, 11700473, 13671611, 27803613, 35101419, 41014833, 171079889, 513239667, 6329955893, 18989867679]

約数ペア:

[(1, 18989867679), (3, 6329955893), (37, 513239667), (111, 171079889), (463, 41014833), (541, 35101419), (683, 27803613), (1389, 13671611), (1623, 11700473), (2049, 9267871), (17131, 1108509), (20017, 948687), (25271, 751449), (51393, 369503), (60051, 316229), (75813, 250483)]