19448240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34729}}^1$

素因数の和:34749

約数の個数: 40

約数和(自身を含む): 51678240

約数和(自身を除く): 32230000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34729, 69458, 138916, 173645, 243103, 277832, 347290, 486206, 555664, 694580, 972412, 1215515, 1389160, 1944824, 2431030, 2778320, 3889648, 4862060, 9724120, 19448240]

約数ペア:

[(1, 19448240), (2, 9724120), (4, 4862060), (5, 3889648), (7, 2778320), (8, 2431030), (10, 1944824), (14, 1389160), (16, 1215515), (20, 972412), (28, 694580), (35, 555664), (40, 486206), (56, 347290), (70, 277832), (80, 243103), (112, 173645), (140, 138916), (280, 69458), (560, 34729)]