19726060

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 42890400

約数和(自身を除く): 23164340

約数列:

[1, 2, 4, 5, 10, 20, 59, 73, 118, 146, 229, 236, 292, 295, 365, 458, 590, 730, 916, 1145, 1180, 1460, 2290, 4307, 4580, 8614, 13511, 16717, 17228, 21535, 27022, 33434, 43070, 54044, 66868, 67555, 83585, 86140, 135110, 167170, 270220, 334340, 986303, 1972606, 3945212, 4931515, 9863030, 19726060]

約数ペア:

[(1, 19726060), (2, 9863030), (4, 4931515), (5, 3945212), (10, 1972606), (20, 986303), (59, 334340), (73, 270220), (118, 167170), (146, 135110), (229, 86140), (236, 83585), (292, 67555), (295, 66868), (365, 54044), (458, 43070), (590, 33434), (730, 27022), (916, 21535), (1145, 17228), (1180, 16717), (1460, 13511), (2290, 8614), (4307, 4580)]