19653788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5801}}^1$

素因数の和:5834

約数の個数: 36

約数和(自身を含む): 43213296

約数和(自身を除く): 23559508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5801, 11602, 23204, 40607, 63811, 81214, 127622, 162428, 255244, 446677, 701921, 893354, 1403842, 1786708, 2807684, 4913447, 9826894, 19653788]

約数ペア:

[(1, 19653788), (2, 9826894), (4, 4913447), (7, 2807684), (11, 1786708), (14, 1403842), (22, 893354), (28, 701921), (44, 446677), (77, 255244), (121, 162428), (154, 127622), (242, 81214), (308, 63811), (484, 40607), (847, 23204), (1694, 11602), (3388, 5801)]