18995324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2039}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 35471520

約数和(自身を除く): 16476196

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2039, 2329, 4078, 4658, 8156, 9316, 34663, 69326, 138652, 279343, 558686, 1117372, 4748831, 9497662, 18995324]

約数ペア:

[(1, 18995324), (2, 9497662), (4, 4748831), (17, 1117372), (34, 558686), (68, 279343), (137, 138652), (274, 69326), (548, 34663), (2039, 9316), (2329, 8156), (4078, 4658)]