18738876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{120121}}^1$

素因数の和:120141

約数の個数: 24

約数和(自身を含む): 47087824

約数和(自身を除く): 28348948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 120121, 240242, 360363, 480484, 720726, 1441452, 1561573, 3123146, 4684719, 6246292, 9369438, 18738876]

約数ペア:

[(1, 18738876), (2, 9369438), (3, 6246292), (4, 4684719), (6, 3123146), (12, 1561573), (13, 1441452), (26, 720726), (39, 480484), (52, 360363), (78, 240242), (156, 120121)]