19888113

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 33598080

約数和(自身を除く): 13709967

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 113, 119, 203, 289, 339, 357, 493, 609, 791, 867, 1479, 1921, 2023, 2373, 3277, 3451, 5763, 6069, 8381, 9831, 10353, 13447, 22939, 25143, 32657, 40341, 55709, 58667, 68817, 97971, 167127, 176001, 228599, 389963, 685797, 947053, 1169889, 2841159, 6629371, 19888113]

約数ペア:

[(1, 19888113), (3, 6629371), (7, 2841159), (17, 1169889), (21, 947053), (29, 685797), (51, 389963), (87, 228599), (113, 176001), (119, 167127), (203, 97971), (289, 68817), (339, 58667), (357, 55709), (493, 40341), (609, 32657), (791, 25143), (867, 22939), (1479, 13447), (1921, 10353), (2023, 9831), (2373, 8381), (3277, 6069), (3451, 5763)]