19966668

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 49330176

約数和(自身を除く): 29363508

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 73, 92, 138, 146, 219, 276, 292, 438, 876, 991, 1679, 1982, 2973, 3358, 3964, 5037, 5946, 6716, 10074, 11892, 20148, 22793, 45586, 68379, 72343, 91172, 136758, 144686, 217029, 273516, 289372, 434058, 868116, 1663889, 3327778, 4991667, 6655556, 9983334, 19966668]

約数ペア:

[(1, 19966668), (2, 9983334), (3, 6655556), (4, 4991667), (6, 3327778), (12, 1663889), (23, 868116), (46, 434058), (69, 289372), (73, 273516), (92, 217029), (138, 144686), (146, 136758), (219, 91172), (276, 72343), (292, 68379), (438, 45586), (876, 22793), (991, 20148), (1679, 11892), (1982, 10074), (2973, 6716), (3358, 5946), (3964, 5037)]