19988712

素因数分解:

$2^3\times 3^2\times {\mathrm{227}}^1\times {\mathrm{1223}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 54419040

約数和(自身を除く): 34430328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 227, 454, 681, 908, 1223, 1362, 1816, 2043, 2446, 2724, 3669, 4086, 4892, 5448, 7338, 8172, 9784, 11007, 14676, 16344, 22014, 29352, 44028, 88056, 277621, 555242, 832863, 1110484, 1665726, 2220968, 2498589, 3331452, 4997178, 6662904, 9994356, 19988712]

約数ペア:

[(1, 19988712), (2, 9994356), (3, 6662904), (4, 4997178), (6, 3331452), (8, 2498589), (9, 2220968), (12, 1665726), (18, 1110484), (24, 832863), (36, 555242), (72, 277621), (227, 88056), (454, 44028), (681, 29352), (908, 22014), (1223, 16344), (1362, 14676), (1816, 11007), (2043, 9784), (2446, 8172), (2724, 7338), (3669, 5448), (4086, 4892)]