19797214

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12861986

約数列:

[1, 2, 17, 34, 59, 71, 118, 139, 142, 278, 1003, 1207, 2006, 2363, 2414, 4189, 4726, 8201, 8378, 9869, 16402, 19738, 71213, 139417, 142426, 167773, 278834, 335546, 582271, 1164542, 9898607, 19797214]

約数ペア:

[(1, 19797214), (2, 9898607), (17, 1164542), (34, 582271), (59, 335546), (71, 278834), (118, 167773), (139, 142426), (142, 139417), (278, 71213), (1003, 19738), (1207, 16402), (2006, 9869), (2363, 8378), (2414, 8201), (4189, 4726)]