19191116

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 40031040

約数和(自身を除く): 20839924

約数列:

[1, 2, 4, 7, 14, 28, 41, 73, 82, 146, 164, 229, 287, 292, 458, 511, 574, 916, 1022, 1148, 1603, 2044, 2993, 3206, 5986, 6412, 9389, 11972, 16717, 18778, 20951, 33434, 37556, 41902, 65723, 66868, 83804, 117019, 131446, 234038, 262892, 468076, 685397, 1370794, 2741588, 4797779, 9595558, 19191116]

約数ペア:

[(1, 19191116), (2, 9595558), (4, 4797779), (7, 2741588), (14, 1370794), (28, 685397), (41, 468076), (73, 262892), (82, 234038), (146, 131446), (164, 117019), (229, 83804), (287, 66868), (292, 65723), (458, 41902), (511, 37556), (574, 33434), (916, 20951), (1022, 18778), (1148, 16717), (1603, 11972), (2044, 9389), (2993, 6412), (3206, 5986)]