2018060905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1193}}^1\times {\mathrm{2843}}^1$

素因数の和:4065

約数の個数: 32

約数和(自身を含む): 2933915904

約数和(自身を除く): 915854999

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 1193, 2843, 5965, 8351, 14215, 19901, 20281, 41755, 48331, 99505, 101405, 141967, 241655, 338317, 709835, 1691585, 3391699, 16958495, 23741893, 57658883, 118709465, 288294415, 403612181, 2018060905]

約数ペア:

[(1, 2018060905), (5, 403612181), (7, 288294415), (17, 118709465), (35, 57658883), (85, 23741893), (119, 16958495), (595, 3391699), (1193, 1691585), (2843, 709835), (5965, 338317), (8351, 241655), (14215, 141967), (19901, 101405), (20281, 99505), (41755, 48331)]