2018992905

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{17783}}^1$

素因数の和:17855

約数の個数: 48

約数和(自身を含む): 3717567360

約数和(自身を除く): 1698574455

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 841, 1305, 2523, 3915, 4205, 7569, 12615, 17783, 22707, 37845, 53349, 88915, 113535, 160047, 266745, 480141, 515707, 800235, 1547121, 2400705, 2578535, 4641363, 7735605, 13924089, 14955503, 23206815, 44866509, 69620445, 74777515, 134599527, 224332545, 403798581, 672997635, 2018992905]

約数ペア:

[(1, 2018992905), (3, 672997635), (5, 403798581), (9, 224332545), (15, 134599527), (27, 74777515), (29, 69620445), (45, 44866509), (87, 23206815), (135, 14955503), (145, 13924089), (261, 7735605), (435, 4641363), (783, 2578535), (841, 2400705), (1305, 1547121), (2523, 800235), (3915, 515707), (4205, 480141), (7569, 266745), (12615, 160047), (17783, 113535), (22707, 88915), (37845, 53349)]