19985808

素因数分解:

$2^4\times 3^1\times {\mathrm{233}}^1\times {\mathrm{1787}}^1$

素因数の和:2031

約数の個数: 40

約数和(自身を含む): 51880608

約数和(自身を除く): 31894800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 233, 466, 699, 932, 1398, 1787, 1864, 2796, 3574, 3728, 5361, 5592, 7148, 10722, 11184, 14296, 21444, 28592, 42888, 85776, 416371, 832742, 1249113, 1665484, 2498226, 3330968, 4996452, 6661936, 9992904, 19985808]

約数ペア:

[(1, 19985808), (2, 9992904), (3, 6661936), (4, 4996452), (6, 3330968), (8, 2498226), (12, 1665484), (16, 1249113), (24, 832742), (48, 416371), (233, 85776), (466, 42888), (699, 28592), (932, 21444), (1398, 14296), (1787, 11184), (1864, 10722), (2796, 7148), (3574, 5592), (3728, 5361)]