19945742012

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1201}}^1\times {\mathrm{1321}}^1$

素因数の和:2982

約数の個数: 48

約数和(自身を含む): 40043908800

約数和(自身を除く): 20098166788

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1201, 1321, 1796, 2402, 2642, 3143, 4804, 5284, 6286, 8407, 9247, 12572, 16814, 18494, 33628, 36988, 539249, 593129, 1078498, 1186258, 1586521, 2156996, 2372516, 3173042, 3774743, 4151903, 6346084, 7549486, 8303806, 11105647, 15098972, 16607612, 22211294, 44422588, 712347929, 1424695858, 2849391716, 4986435503, 9972871006, 19945742012]

約数ペア:

[(1, 19945742012), (2, 9972871006), (4, 4986435503), (7, 2849391716), (14, 1424695858), (28, 712347929), (449, 44422588), (898, 22211294), (1201, 16607612), (1321, 15098972), (1796, 11105647), (2402, 8303806), (2642, 7549486), (3143, 6346084), (4804, 4151903), (5284, 3774743), (6286, 3173042), (8407, 2372516), (9247, 2156996), (12572, 1586521), (16814, 1186258), (18494, 1078498), (33628, 593129), (36988, 539249)]