19867407

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 35251200

約数和(自身を除く): 15383793

約数列:

[1, 3, 7, 17, 19, 21, 29, 51, 57, 87, 101, 119, 133, 203, 303, 323, 357, 399, 493, 551, 609, 707, 969, 1479, 1653, 1717, 1919, 2121, 2261, 2929, 3451, 3857, 5151, 5757, 6783, 8787, 9367, 10353, 11571, 12019, 13433, 20503, 28101, 32623, 36057, 40299, 49793, 55651, 61509, 65569, 97869, 149379, 166953, 196707, 228361, 348551, 389557, 685083, 946067, 1045653, 1168671, 2838201, 6622469, 19867407]

約数ペア:

[(1, 19867407), (3, 6622469), (7, 2838201), (17, 1168671), (19, 1045653), (21, 946067), (29, 685083), (51, 389557), (57, 348551), (87, 228361), (101, 196707), (119, 166953), (133, 149379), (203, 97869), (303, 65569), (323, 61509), (357, 55651), (399, 49793), (493, 40299), (551, 36057), (609, 32623), (707, 28101), (969, 20503), (1479, 13433), (1653, 12019), (1717, 11571), (1919, 10353), (2121, 9367), (2261, 8787), (2929, 6783), (3451, 5757), (3857, 5151)]