19691352

素因数分解:

$2^3\times 3^2\times {\mathrm{181}}^1\times {\mathrm{1511}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 53660880

約数和(自身を除く): 33969528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 181, 362, 543, 724, 1086, 1448, 1511, 1629, 2172, 3022, 3258, 4344, 4533, 6044, 6516, 9066, 12088, 13032, 13599, 18132, 27198, 36264, 54396, 108792, 273491, 546982, 820473, 1093964, 1640946, 2187928, 2461419, 3281892, 4922838, 6563784, 9845676, 19691352]

約数ペア:

[(1, 19691352), (2, 9845676), (3, 6563784), (4, 4922838), (6, 3281892), (8, 2461419), (9, 2187928), (12, 1640946), (18, 1093964), (24, 820473), (36, 546982), (72, 273491), (181, 108792), (362, 54396), (543, 36264), (724, 27198), (1086, 18132), (1448, 13599), (1511, 13032), (1629, 12088), (2172, 9066), (3022, 6516), (3258, 6044), (4344, 4533)]