19453840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34739}}^1$

素因数の和:34759

約数の個数: 40

約数和(自身を含む): 51693120

約数和(自身を除く): 32239280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34739, 69478, 138956, 173695, 243173, 277912, 347390, 486346, 555824, 694780, 972692, 1215865, 1389560, 1945384, 2431730, 2779120, 3890768, 4863460, 9726920, 19453840]

約数ペア:

[(1, 19453840), (2, 9726920), (4, 4863460), (5, 3890768), (7, 2779120), (8, 2431730), (10, 1945384), (14, 1389560), (16, 1215865), (20, 972692), (28, 694780), (35, 555824), (40, 486346), (56, 347390), (70, 277912), (80, 243173), (112, 173695), (140, 138956), (280, 69478), (560, 34739)]