19340985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1039}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 33246720

約数和(自身を除く): 13905735

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1039, 1095, 1241, 3117, 3723, 5195, 6205, 15585, 17663, 18615, 52989, 75847, 88315, 227541, 264945, 379235, 1137705, 1289399, 3868197, 6446995, 19340985]

約数ペア:

[(1, 19340985), (3, 6446995), (5, 3868197), (15, 1289399), (17, 1137705), (51, 379235), (73, 264945), (85, 227541), (219, 88315), (255, 75847), (365, 52989), (1039, 18615), (1095, 17663), (1241, 15585), (3117, 6205), (3723, 5195)]