19725304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3373}}^1$

素因数の和:3439

約数の個数: 32

約数和(自身を含む): 40083120

約数和(自身を除く): 20357816

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3373, 5848, 6746, 13492, 26984, 57341, 114682, 145039, 229364, 290078, 458728, 580156, 1160312, 2465663, 4931326, 9862652, 19725304]

約数ペア:

[(1, 19725304), (2, 9862652), (4, 4931326), (8, 2465663), (17, 1160312), (34, 580156), (43, 458728), (68, 290078), (86, 229364), (136, 145039), (172, 114682), (344, 57341), (731, 26984), (1462, 13492), (2924, 6746), (3373, 5848)]