18996588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40591}}^1$

素因数の和:40614

約数の個数: 36

約数和(自身を含む): 51714208

約数和(自身を除く): 32717620

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40591, 81182, 121773, 162364, 243546, 365319, 487092, 527683, 730638, 1055366, 1461276, 1583049, 2110732, 3166098, 4749147, 6332196, 9498294, 18996588]

約数ペア:

[(1, 18996588), (2, 9498294), (3, 6332196), (4, 4749147), (6, 3166098), (9, 2110732), (12, 1583049), (13, 1461276), (18, 1055366), (26, 730638), (36, 527683), (39, 487092), (52, 365319), (78, 243546), (117, 162364), (156, 121773), (234, 81182), (468, 40591)]