19286553

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 31400768

約数和(自身を除く): 12114215

約数列:

[1, 3, 11, 13, 33, 39, 61, 67, 121, 143, 183, 201, 363, 429, 671, 737, 793, 871, 1573, 2013, 2211, 2379, 2613, 4087, 4719, 7381, 8107, 8723, 9581, 12261, 22143, 24321, 26169, 28743, 44957, 53131, 95953, 105391, 134871, 159393, 287859, 316173, 494527, 584441, 1483581, 1753323, 6428851, 19286553]

約数ペア:

[(1, 19286553), (3, 6428851), (11, 1753323), (13, 1483581), (33, 584441), (39, 494527), (61, 316173), (67, 287859), (121, 159393), (143, 134871), (183, 105391), (201, 95953), (363, 53131), (429, 44957), (671, 28743), (737, 26169), (793, 24321), (871, 22143), (1573, 12261), (2013, 9581), (2211, 8723), (2379, 8107), (2613, 7381), (4087, 4719)]