19936124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 39889920

約数和(自身を除く): 19953796

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 79, 92, 158, 211, 299, 316, 422, 598, 844, 1027, 1196, 1817, 2054, 2743, 3634, 4108, 4853, 5486, 7268, 9706, 10972, 16669, 19412, 23621, 33338, 47242, 63089, 66676, 94484, 126178, 216697, 252356, 383387, 433394, 766774, 866788, 1533548, 4984031, 9968062, 19936124]

約数ペア:

[(1, 19936124), (2, 9968062), (4, 4984031), (13, 1533548), (23, 866788), (26, 766774), (46, 433394), (52, 383387), (79, 252356), (92, 216697), (158, 126178), (211, 94484), (299, 66676), (316, 63089), (422, 47242), (598, 33338), (844, 23621), (1027, 19412), (1196, 16669), (1817, 10972), (2054, 9706), (2743, 7268), (3634, 5486), (4108, 4853)]