19156852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 39880512

約数和(自身を除く): 20723660

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 107, 143, 214, 286, 313, 428, 572, 626, 1177, 1252, 1391, 2354, 2782, 3443, 4069, 4708, 5564, 6886, 8138, 13772, 15301, 16276, 30602, 33491, 44759, 61204, 66982, 89518, 133964, 179036, 368401, 435383, 736802, 870766, 1473604, 1741532, 4789213, 9578426, 19156852]

約数ペア:

[(1, 19156852), (2, 9578426), (4, 4789213), (11, 1741532), (13, 1473604), (22, 870766), (26, 736802), (44, 435383), (52, 368401), (107, 179036), (143, 133964), (214, 89518), (286, 66982), (313, 61204), (428, 44759), (572, 33491), (626, 30602), (1177, 16276), (1252, 15301), (1391, 13772), (2354, 8138), (2782, 6886), (3443, 5564), (4069, 4708)]