18705078

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2801}}^1$

素因数の和:2869

約数の個数: 48

約数和(自身を含む): 47208096

約数和(自身を除く): 28503018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 2801, 3339, 5602, 6678, 8403, 16806, 19607, 25209, 39214, 50418, 58821, 117642, 148453, 176463, 296906, 352926, 445359, 890718, 1039171, 1336077, 2078342, 2672154, 3117513, 6235026, 9352539, 18705078]

約数ペア:

[(1, 18705078), (2, 9352539), (3, 6235026), (6, 3117513), (7, 2672154), (9, 2078342), (14, 1336077), (18, 1039171), (21, 890718), (42, 445359), (53, 352926), (63, 296906), (106, 176463), (126, 148453), (159, 117642), (318, 58821), (371, 50418), (477, 39214), (742, 25209), (954, 19607), (1113, 16806), (2226, 8403), (2801, 6678), (3339, 5602)]