19404242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 36523872

約数和(自身を除く): 17119630

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 169, 187, 221, 286, 307, 338, 374, 442, 614, 1859, 2431, 2873, 3377, 3718, 3991, 4862, 5219, 5746, 6754, 7982, 10438, 31603, 43901, 51883, 57409, 63206, 67847, 87802, 103766, 114818, 135694, 570713, 746317, 882011, 1141426, 1492634, 1764022, 9702121, 19404242]

約数ペア:

[(1, 19404242), (2, 9702121), (11, 1764022), (13, 1492634), (17, 1141426), (22, 882011), (26, 746317), (34, 570713), (143, 135694), (169, 114818), (187, 103766), (221, 87802), (286, 67847), (307, 63206), (338, 57409), (374, 51883), (442, 43901), (614, 31603), (1859, 10438), (2431, 7982), (2873, 6754), (3377, 5746), (3718, 5219), (3991, 4862)]