19783946

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 38007144

約数和(自身を除く): 18223198

約数列:

[1, 2, 7, 13, 14, 26, 49, 53, 91, 98, 106, 182, 293, 371, 586, 637, 689, 742, 1274, 1378, 2051, 2597, 3809, 4102, 4823, 5194, 7618, 9646, 14357, 15529, 26663, 28714, 31058, 33761, 53326, 67522, 108703, 186641, 201877, 217406, 373282, 403754, 760921, 1413139, 1521842, 2826278, 9891973, 19783946]

約数ペア:

[(1, 19783946), (2, 9891973), (7, 2826278), (13, 1521842), (14, 1413139), (26, 760921), (49, 403754), (53, 373282), (91, 217406), (98, 201877), (106, 186641), (182, 108703), (293, 67522), (371, 53326), (586, 33761), (637, 31058), (689, 28714), (742, 26663), (1274, 15529), (1378, 14357), (2051, 9646), (2597, 7618), (3809, 5194), (4102, 4823)]