19684305

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 16168239

約数列:

[1, 3, 5, 9, 15, 41, 45, 47, 123, 141, 205, 227, 235, 369, 423, 615, 681, 705, 1135, 1845, 1927, 2043, 2115, 3405, 5781, 9307, 9635, 10215, 10669, 17343, 27921, 28905, 32007, 46535, 53345, 83763, 86715, 96021, 139605, 160035, 418815, 437429, 480105, 1312287, 2187145, 3936861, 6561435, 19684305]

約数ペア:

[(1, 19684305), (3, 6561435), (5, 3936861), (9, 2187145), (15, 1312287), (41, 480105), (45, 437429), (47, 418815), (123, 160035), (141, 139605), (205, 96021), (227, 86715), (235, 83763), (369, 53345), (423, 46535), (615, 32007), (681, 28905), (705, 27921), (1135, 17343), (1845, 10669), (1927, 10215), (2043, 9635), (2115, 9307), (3405, 5781)]