19310116

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1288

約数の個数: 36

約数和(自身を含む): 39817008

約数和(自身を除く): 20506892

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 1187, 2324, 2374, 4067, 4748, 8134, 8309, 16268, 16618, 33236, 58163, 98521, 116326, 197042, 232652, 394084, 689647, 1379294, 2758588, 4827529, 9655058, 19310116]

約数ペア:

[(1, 19310116), (2, 9655058), (4, 4827529), (7, 2758588), (14, 1379294), (28, 689647), (49, 394084), (83, 232652), (98, 197042), (166, 116326), (196, 98521), (332, 58163), (581, 33236), (1162, 16618), (1187, 16268), (2324, 8309), (2374, 8134), (4067, 4748)]