19089486

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 27359154

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 383, 426, 639, 702, 766, 923, 1149, 1278, 1846, 1917, 2298, 2769, 3447, 3834, 4979, 5538, 6894, 8307, 9958, 10341, 14937, 16614, 20682, 24921, 27193, 29874, 44811, 49842, 54386, 81579, 89622, 134433, 163158, 244737, 268866, 353509, 489474, 707018, 734211, 1060527, 1468422, 2121054, 3181581, 6363162, 9544743, 19089486]

約数ペア:

[(1, 19089486), (2, 9544743), (3, 6363162), (6, 3181581), (9, 2121054), (13, 1468422), (18, 1060527), (26, 734211), (27, 707018), (39, 489474), (54, 353509), (71, 268866), (78, 244737), (117, 163158), (142, 134433), (213, 89622), (234, 81579), (351, 54386), (383, 49842), (426, 44811), (639, 29874), (702, 27193), (766, 24921), (923, 20682), (1149, 16614), (1278, 14937), (1846, 10341), (1917, 9958), (2298, 8307), (2769, 6894), (3447, 5538), (3834, 4979)]