19176440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3449}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 43470000

約数和(自身を除く): 24293560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3449, 5560, 6898, 13796, 17245, 27592, 34490, 68980, 137960, 479411, 958822, 1917644, 2397055, 3835288, 4794110, 9588220, 19176440]

約数ペア:

[(1, 19176440), (2, 9588220), (4, 4794110), (5, 3835288), (8, 2397055), (10, 1917644), (20, 958822), (40, 479411), (139, 137960), (278, 68980), (556, 34490), (695, 27592), (1112, 17245), (1390, 13796), (2780, 6898), (3449, 5560)]