19705972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 41432832

約数和(自身を除く): 21726860

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 94, 143, 188, 286, 517, 572, 611, 733, 1034, 1222, 1466, 2068, 2444, 2932, 6721, 8063, 9529, 13442, 16126, 19058, 26884, 32252, 34451, 38116, 68902, 104819, 137804, 209638, 378961, 419276, 447863, 757922, 895726, 1515844, 1791452, 4926493, 9852986, 19705972]

約数ペア:

[(1, 19705972), (2, 9852986), (4, 4926493), (11, 1791452), (13, 1515844), (22, 895726), (26, 757922), (44, 447863), (47, 419276), (52, 378961), (94, 209638), (143, 137804), (188, 104819), (286, 68902), (517, 38116), (572, 34451), (611, 32252), (733, 26884), (1034, 19058), (1222, 16126), (1466, 13442), (2068, 9529), (2444, 8063), (2932, 6721)]