18803547

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 33388992

約数和(自身を除く): 14585445

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 97, 119, 153, 181, 291, 357, 543, 679, 873, 1071, 1267, 1629, 1649, 2037, 3077, 3801, 4947, 6111, 9231, 11403, 11543, 14841, 17557, 21539, 27693, 34629, 52671, 64617, 103887, 122899, 158013, 193851, 298469, 368697, 895407, 1106091, 2089283, 2686221, 6267849, 18803547]

約数ペア:

[(1, 18803547), (3, 6267849), (7, 2686221), (9, 2089283), (17, 1106091), (21, 895407), (51, 368697), (63, 298469), (97, 193851), (119, 158013), (153, 122899), (181, 103887), (291, 64617), (357, 52671), (543, 34629), (679, 27693), (873, 21539), (1071, 17557), (1267, 14841), (1629, 11543), (1649, 11403), (2037, 9231), (3077, 6111), (3801, 4947)]