19406128

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1063}}^1$

素因数の和:1241

約数の個数: 40

約数和(自身を含む): 43275008

約数和(自身を除く): 23868880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1063, 1141, 1304, 2126, 2282, 2608, 4252, 4564, 7441, 8504, 9128, 14882, 17008, 18256, 29764, 59528, 119056, 173269, 346538, 693076, 1212883, 1386152, 2425766, 2772304, 4851532, 9703064, 19406128]

約数ペア:

[(1, 19406128), (2, 9703064), (4, 4851532), (7, 2772304), (8, 2425766), (14, 1386152), (16, 1212883), (28, 693076), (56, 346538), (112, 173269), (163, 119056), (326, 59528), (652, 29764), (1063, 18256), (1141, 17008), (1304, 14882), (2126, 9128), (2282, 8504), (2608, 7441), (4252, 4564)]