19415836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 39789792

約数和(自身を除く): 20373956

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 101, 187, 202, 257, 374, 404, 514, 748, 1028, 1111, 1717, 2222, 2827, 3434, 4369, 4444, 5654, 6868, 8738, 11308, 17476, 18887, 25957, 37774, 48059, 51914, 75548, 96118, 103828, 192236, 285527, 441269, 571054, 882538, 1142108, 1765076, 4853959, 9707918, 19415836]

約数ペア:

[(1, 19415836), (2, 9707918), (4, 4853959), (11, 1765076), (17, 1142108), (22, 882538), (34, 571054), (44, 441269), (68, 285527), (101, 192236), (187, 103828), (202, 96118), (257, 75548), (374, 51914), (404, 48059), (514, 37774), (748, 25957), (1028, 18887), (1111, 17476), (1717, 11308), (2222, 8738), (2827, 6868), (3434, 5654), (4369, 4444)]