19943814

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8167}}^1$

素因数の和:8220

約数の個数: 32

約数和(自身を含む): 44695296

約数和(自身を除く): 24751482

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8167, 16334, 24501, 49002, 89837, 179674, 269511, 302179, 539022, 604358, 906537, 1813074, 3323969, 6647938, 9971907, 19943814]

約数ペア:

[(1, 19943814), (2, 9971907), (3, 6647938), (6, 3323969), (11, 1813074), (22, 906537), (33, 604358), (37, 539022), (66, 302179), (74, 269511), (111, 179674), (222, 89837), (407, 49002), (814, 24501), (1221, 16334), (2442, 8167)]