17811189

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 31337280

約数和(自身を除く): 13526091

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 323, 557, 561, 627, 969, 1671, 1683, 1881, 2907, 3553, 5013, 6127, 9469, 10583, 10659, 18381, 28407, 31749, 31977, 55143, 85221, 95247, 104159, 116413, 179911, 312477, 349239, 539733, 937431, 1047717, 1619199, 1979021, 5937063, 17811189]

約数ペア:

[(1, 17811189), (3, 5937063), (9, 1979021), (11, 1619199), (17, 1047717), (19, 937431), (33, 539733), (51, 349239), (57, 312477), (99, 179911), (153, 116413), (171, 104159), (187, 95247), (209, 85221), (323, 55143), (557, 31977), (561, 31749), (627, 28407), (969, 18381), (1671, 10659), (1683, 10583), (1881, 9469), (2907, 6127), (3553, 5013)]