18815394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{521}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 40690944

約数和(自身を除く): 21875550

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 463, 521, 926, 1042, 1389, 1563, 2778, 3126, 6019, 6773, 12038, 13546, 18057, 20319, 36114, 40638, 241223, 482446, 723669, 1447338, 3135899, 6271798, 9407697, 18815394]

約数ペア:

[(1, 18815394), (2, 9407697), (3, 6271798), (6, 3135899), (13, 1447338), (26, 723669), (39, 482446), (78, 241223), (463, 40638), (521, 36114), (926, 20319), (1042, 18057), (1389, 13546), (1563, 12038), (2778, 6773), (3126, 6019)]