18776667

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 31144960

約数和(自身を除く): 12368293

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 631, 763, 1417, 1893, 2289, 4251, 4417, 8203, 9919, 13251, 24609, 29757, 57421, 68779, 172263, 206337, 481453, 894127, 1444359, 2682381, 6258889, 18776667]

約数ペア:

[(1, 18776667), (3, 6258889), (7, 2682381), (13, 1444359), (21, 894127), (39, 481453), (91, 206337), (109, 172263), (273, 68779), (327, 57421), (631, 29757), (763, 24609), (1417, 13251), (1893, 9919), (2289, 8203), (4251, 4417)]