19489356

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1191

約数の個数: 48

約数和(自身を含む): 50858080

約数和(自身を除く): 31368724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 997, 1086, 1629, 1994, 2172, 2991, 3258, 3988, 4887, 5982, 6516, 8973, 9774, 11964, 17946, 19548, 26919, 35892, 53838, 107676, 180457, 360914, 541371, 721828, 1082742, 1624113, 2165484, 3248226, 4872339, 6496452, 9744678, 19489356]

約数ペア:

[(1, 19489356), (2, 9744678), (3, 6496452), (4, 4872339), (6, 3248226), (9, 2165484), (12, 1624113), (18, 1082742), (27, 721828), (36, 541371), (54, 360914), (108, 180457), (181, 107676), (362, 53838), (543, 35892), (724, 26919), (997, 19548), (1086, 17946), (1629, 11964), (1994, 9774), (2172, 8973), (2991, 6516), (3258, 5982), (3988, 4887)]