19956468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6421}}^1$

素因数の和:6472

約数の個数: 48

約数和(自身を含む): 54664064

約数和(自身を除く): 34707596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6421, 12842, 19263, 25684, 38526, 44947, 77052, 89894, 134841, 179788, 237577, 269682, 475154, 539364, 712731, 950308, 1425462, 1663039, 2850924, 3326078, 4989117, 6652156, 9978234, 19956468]

約数ペア:

[(1, 19956468), (2, 9978234), (3, 6652156), (4, 4989117), (6, 3326078), (7, 2850924), (12, 1663039), (14, 1425462), (21, 950308), (28, 712731), (37, 539364), (42, 475154), (74, 269682), (84, 237577), (111, 179788), (148, 134841), (222, 89894), (259, 77052), (444, 44947), (518, 38526), (777, 25684), (1036, 19263), (1554, 12842), (3108, 6421)]