18180816095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{67939}}^1$

素因数の和:68159

約数の個数: 32

約数和(自身を含む): 24654067200

約数和(自身を除く): 6473251105

約数列:

[1, 5, 13, 23, 65, 115, 179, 299, 895, 1495, 2327, 4117, 11635, 20585, 53521, 67939, 267605, 339695, 883207, 1562597, 4416035, 7812985, 12161081, 20313761, 60805405, 101568805, 158094053, 279704863, 790470265, 1398524315, 3636163219, 18180816095]

約数ペア:

[(1, 18180816095), (5, 3636163219), (13, 1398524315), (23, 790470265), (65, 279704863), (115, 158094053), (179, 101568805), (299, 60805405), (895, 20313761), (1495, 12161081), (2327, 7812985), (4117, 4416035), (11635, 1562597), (20585, 883207), (53521, 339695), (67939, 267605)]