19077820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{179}}^1$

素因数の和:334

約数の個数: 36

約数和(自身を含む): 40846680

約数和(自身を除く): 21768860

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 179, 292, 358, 365, 716, 730, 895, 1460, 1790, 3580, 5329, 10658, 13067, 21316, 26134, 26645, 52268, 53290, 65335, 106580, 130670, 261340, 953891, 1907782, 3815564, 4769455, 9538910, 19077820]

約数ペア:

[(1, 19077820), (2, 9538910), (4, 4769455), (5, 3815564), (10, 1907782), (20, 953891), (73, 261340), (146, 130670), (179, 106580), (292, 65335), (358, 53290), (365, 52268), (716, 26645), (730, 26134), (895, 21316), (1460, 13067), (1790, 10658), (3580, 5329)]