19099465

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 30697920

約数和(自身を除く): 11598455

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 373, 385, 539, 665, 931, 1045, 1463, 1865, 2611, 2695, 4103, 4655, 7087, 7315, 10241, 13055, 18277, 20515, 28721, 35435, 49609, 51205, 77957, 91385, 143605, 201047, 248045, 347263, 389785, 545699, 1005235, 1736315, 2728495, 3819893, 19099465]

約数ペア:

[(1, 19099465), (5, 3819893), (7, 2728495), (11, 1736315), (19, 1005235), (35, 545699), (49, 389785), (55, 347263), (77, 248045), (95, 201047), (133, 143605), (209, 91385), (245, 77957), (373, 51205), (385, 49609), (539, 35435), (665, 28721), (931, 20515), (1045, 18277), (1463, 13055), (1865, 10241), (2611, 7315), (2695, 7087), (4103, 4655)]