19041800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5011}}^1$

素因数の和:5046

約数の個数: 48

約数和(自身を含む): 46611600

約数和(自身を除く): 27569800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5011, 10022, 20044, 25055, 40088, 50110, 95209, 100220, 125275, 190418, 200440, 250550, 380836, 476045, 501100, 761672, 952090, 1002200, 1904180, 2380225, 3808360, 4760450, 9520900, 19041800]

約数ペア:

[(1, 19041800), (2, 9520900), (4, 4760450), (5, 3808360), (8, 2380225), (10, 1904180), (19, 1002200), (20, 952090), (25, 761672), (38, 501100), (40, 476045), (50, 380836), (76, 250550), (95, 200440), (100, 190418), (152, 125275), (190, 100220), (200, 95209), (380, 50110), (475, 40088), (760, 25055), (950, 20044), (1900, 10022), (3800, 5011)]