18841878

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 72

約数和(自身を含む): 46185048

約数和(自身を除く): 27343170

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 41, 66, 82, 99, 121, 123, 198, 211, 242, 246, 363, 369, 422, 451, 633, 726, 738, 902, 1089, 1266, 1353, 1899, 2178, 2321, 2706, 3798, 4059, 4642, 4961, 6963, 8118, 8651, 9922, 13926, 14883, 17302, 20889, 25531, 25953, 29766, 41778, 44649, 51062, 51906, 76593, 77859, 89298, 95161, 153186, 155718, 190322, 229779, 285483, 459558, 570966, 856449, 1046771, 1712898, 2093542, 3140313, 6280626, 9420939, 18841878]

約数ペア:

[(1, 18841878), (2, 9420939), (3, 6280626), (6, 3140313), (9, 2093542), (11, 1712898), (18, 1046771), (22, 856449), (33, 570966), (41, 459558), (66, 285483), (82, 229779), (99, 190322), (121, 155718), (123, 153186), (198, 95161), (211, 89298), (242, 77859), (246, 76593), (363, 51906), (369, 51062), (422, 44649), (451, 41778), (633, 29766), (726, 25953), (738, 25531), (902, 20889), (1089, 17302), (1266, 14883), (1353, 13926), (1899, 9922), (2178, 8651), (2321, 8118), (2706, 6963), (3798, 4961), (4059, 4642)]