18194913

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 32011200

約数和(自身を除く): 13816287

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 323, 561, 569, 627, 969, 1683, 1707, 1881, 2907, 3553, 5121, 6259, 9673, 10659, 10811, 18777, 29019, 31977, 32433, 56331, 87057, 97299, 106403, 118921, 183787, 319209, 356763, 551361, 957627, 1070289, 1654083, 2021657, 6064971, 18194913]

約数ペア:

[(1, 18194913), (3, 6064971), (9, 2021657), (11, 1654083), (17, 1070289), (19, 957627), (33, 551361), (51, 356763), (57, 319209), (99, 183787), (153, 118921), (171, 106403), (187, 97299), (209, 87057), (323, 56331), (561, 32433), (569, 31977), (627, 29019), (969, 18777), (1683, 10811), (1707, 10659), (1881, 9673), (2907, 6259), (3553, 5121)]