19154655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 36167040

約数和(自身を除く): 17012385

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 137, 195, 239, 411, 585, 685, 717, 1195, 1233, 1781, 2055, 2151, 3107, 3585, 5343, 6165, 8905, 9321, 10755, 15535, 16029, 26715, 27963, 32743, 46605, 80145, 98229, 139815, 163715, 294687, 425659, 491145, 1276977, 1473435, 2128295, 3830931, 6384885, 19154655]

約数ペア:

[(1, 19154655), (3, 6384885), (5, 3830931), (9, 2128295), (13, 1473435), (15, 1276977), (39, 491145), (45, 425659), (65, 294687), (117, 163715), (137, 139815), (195, 98229), (239, 80145), (411, 46605), (585, 32743), (685, 27963), (717, 26715), (1195, 16029), (1233, 15535), (1781, 10755), (2055, 9321), (2151, 8905), (3107, 6165), (3585, 5343)]