19845228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5531}}^1$

素因数の和:5574

約数の個数: 48

約数和(自身を含む): 52045056

約数和(自身を除く): 32199828

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, 5531, 11062, 16593, 22124, 33186, 66372, 71903, 127213, 143806, 215709, 254426, 287612, 381639, 431418, 508852, 763278, 862836, 1526556, 1653769, 3307538, 4961307, 6615076, 9922614, 19845228]

約数ペア:

[(1, 19845228), (2, 9922614), (3, 6615076), (4, 4961307), (6, 3307538), (12, 1653769), (13, 1526556), (23, 862836), (26, 763278), (39, 508852), (46, 431418), (52, 381639), (69, 287612), (78, 254426), (92, 215709), (138, 143806), (156, 127213), (276, 71903), (299, 66372), (598, 33186), (897, 22124), (1196, 16593), (1794, 11062), (3588, 5531)]