19557780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29633}}^1$

素因数の和:29656

約数の個数: 48

約数和(自身を含む): 59742144

約数和(自身を除く): 40184364

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 29633, 59266, 88899, 118532, 148165, 177798, 296330, 325963, 355596, 444495, 592660, 651926, 888990, 977889, 1303852, 1629815, 1777980, 1955778, 3259630, 3911556, 4889445, 6519260, 9778890, 19557780]

約数ペア:

[(1, 19557780), (2, 9778890), (3, 6519260), (4, 4889445), (5, 3911556), (6, 3259630), (10, 1955778), (11, 1777980), (12, 1629815), (15, 1303852), (20, 977889), (22, 888990), (30, 651926), (33, 592660), (44, 444495), (55, 355596), (60, 325963), (66, 296330), (110, 177798), (132, 148165), (165, 118532), (220, 88899), (330, 59266), (660, 29633)]