19185520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14107}}^1$

素因数の和:14137

約数の個数: 40

約数和(自身を含む): 47233584

約数和(自身を除く): 28048064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14107, 28214, 56428, 70535, 112856, 141070, 225712, 239819, 282140, 479638, 564280, 959276, 1128560, 1199095, 1918552, 2398190, 3837104, 4796380, 9592760, 19185520]

約数ペア:

[(1, 19185520), (2, 9592760), (4, 4796380), (5, 3837104), (8, 2398190), (10, 1918552), (16, 1199095), (17, 1128560), (20, 959276), (34, 564280), (40, 479638), (68, 282140), (80, 239819), (85, 225712), (136, 141070), (170, 112856), (272, 70535), (340, 56428), (680, 28214), (1360, 14107)]