18149655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 31299840

約数和(自身を除く): 13150185

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1481, 2451, 4085, 4443, 7405, 12255, 22215, 28139, 63683, 84417, 140695, 191049, 318415, 422085, 955245, 1209977, 3629931, 6049885, 18149655]

約数ペア:

[(1, 18149655), (3, 6049885), (5, 3629931), (15, 1209977), (19, 955245), (43, 422085), (57, 318415), (95, 191049), (129, 140695), (215, 84417), (285, 63683), (645, 28139), (817, 22215), (1481, 12255), (2451, 7405), (4085, 4443)]