18848193

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 31584000

約数和(自身を除く): 12735807

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1409, 1911, 4227, 4459, 9863, 13377, 18317, 29589, 54951, 69041, 128219, 207123, 384657, 483287, 897533, 1449861, 2692599, 6282731, 18848193]

約数ペア:

[(1, 18848193), (3, 6282731), (7, 2692599), (13, 1449861), (21, 897533), (39, 483287), (49, 384657), (91, 207123), (147, 128219), (273, 69041), (343, 54951), (637, 29589), (1029, 18317), (1409, 13377), (1911, 9863), (4227, 4459)]