19995924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5573}}^1$

素因数の和:5616

約数の個数: 48

約数和(自身を含む): 52440192

約数和(自身を除く): 32444268

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5573, 11146, 16719, 22292, 33438, 66876, 72449, 128179, 144898, 217347, 256358, 289796, 384537, 434694, 512716, 769074, 869388, 1538148, 1666327, 3332654, 4998981, 6665308, 9997962, 19995924]

約数ペア:

[(1, 19995924), (2, 9997962), (3, 6665308), (4, 4998981), (6, 3332654), (12, 1666327), (13, 1538148), (23, 869388), (26, 769074), (39, 512716), (46, 434694), (52, 384537), (69, 289796), (78, 256358), (92, 217347), (138, 144898), (156, 128179), (276, 72449), (299, 66876), (598, 33438), (897, 22292), (1196, 16719), (1794, 11146), (3588, 5573)]