19193895

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 41088000

約数和(自身を除く): 21894105

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1069, 1197, 1995, 2565, 3207, 3591, 5345, 5985, 7483, 9621, 16035, 17955, 20311, 22449, 28863, 37415, 48105, 60933, 67347, 101555, 112245, 142177, 144315, 182799, 202041, 304665, 336735, 426531, 548397, 710885, 913995, 1010205, 1279593, 2132655, 2741985, 3838779, 6397965, 19193895]

約数ペア:

[(1, 19193895), (3, 6397965), (5, 3838779), (7, 2741985), (9, 2132655), (15, 1279593), (19, 1010205), (21, 913995), (27, 710885), (35, 548397), (45, 426531), (57, 336735), (63, 304665), (95, 202041), (105, 182799), (133, 144315), (135, 142177), (171, 112245), (189, 101555), (285, 67347), (315, 60933), (399, 48105), (513, 37415), (665, 28863), (855, 22449), (945, 20311), (1069, 17955), (1197, 16035), (1995, 9621), (2565, 7483), (3207, 5985), (3591, 5345)]