18636876

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1291}}^1$

素因数の和:1702

約数の個数: 36

約数和(自身を含む): 47263944

約数和(自身を除く): 28627068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1291, 1604, 2406, 2582, 3609, 3873, 4812, 5164, 7218, 7746, 11619, 14436, 15492, 23238, 46476, 517691, 1035382, 1553073, 2070764, 3106146, 4659219, 6212292, 9318438, 18636876]

約数ペア:

[(1, 18636876), (2, 9318438), (3, 6212292), (4, 4659219), (6, 3106146), (9, 2070764), (12, 1553073), (18, 1035382), (36, 517691), (401, 46476), (802, 23238), (1203, 15492), (1291, 14436), (1604, 11619), (2406, 7746), (2582, 7218), (3609, 5164), (3873, 4812)]