19557412

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 22270556

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 181, 227, 238, 362, 454, 476, 724, 908, 1267, 1589, 2534, 3077, 3178, 3859, 5068, 6154, 6356, 7718, 12308, 15436, 21539, 27013, 41087, 43078, 54026, 82174, 86156, 108052, 164348, 287609, 575218, 698479, 1150436, 1396958, 2793916, 4889353, 9778706, 19557412]

約数ペア:

[(1, 19557412), (2, 9778706), (4, 4889353), (7, 2793916), (14, 1396958), (17, 1150436), (28, 698479), (34, 575218), (68, 287609), (119, 164348), (181, 108052), (227, 86156), (238, 82174), (362, 54026), (454, 43078), (476, 41087), (724, 27013), (908, 21539), (1267, 15436), (1589, 12308), (2534, 7718), (3077, 6356), (3178, 6154), (3859, 5068)]