19557456

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{4909}}^1$

素因数の和:5003

約数の個数: 40

約数和(自身を含む): 51142560

約数和(自身を除く): 31585104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 4909, 9818, 14727, 19636, 29454, 39272, 58908, 78544, 117816, 235632, 407447, 814894, 1222341, 1629788, 2444682, 3259576, 4889364, 6519152, 9778728, 19557456]

約数ペア:

[(1, 19557456), (2, 9778728), (3, 6519152), (4, 4889364), (6, 3259576), (8, 2444682), (12, 1629788), (16, 1222341), (24, 814894), (48, 407447), (83, 235632), (166, 117816), (249, 78544), (332, 58908), (498, 39272), (664, 29454), (996, 19636), (1328, 14727), (1992, 9818), (3984, 4909)]