19930834

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 41306112

約数和(自身を除く): 21375278

約数列:

[1, 2, 7, 11, 14, 17, 22, 23, 34, 46, 77, 119, 154, 161, 187, 238, 253, 322, 331, 374, 391, 506, 662, 782, 1309, 1771, 2317, 2618, 2737, 3542, 3641, 4301, 4634, 5474, 5627, 7282, 7613, 8602, 11254, 15226, 25487, 30107, 39389, 50974, 53291, 60214, 61897, 78778, 83743, 106582, 123794, 129421, 167486, 258842, 433279, 586201, 866558, 905947, 1172402, 1423631, 1811894, 2847262, 9965417, 19930834]

約数ペア:

[(1, 19930834), (2, 9965417), (7, 2847262), (11, 1811894), (14, 1423631), (17, 1172402), (22, 905947), (23, 866558), (34, 586201), (46, 433279), (77, 258842), (119, 167486), (154, 129421), (161, 123794), (187, 106582), (238, 83743), (253, 78778), (322, 61897), (331, 60214), (374, 53291), (391, 50974), (506, 39389), (662, 30107), (782, 25487), (1309, 15226), (1771, 11254), (2317, 8602), (2618, 7613), (2737, 7282), (3542, 5627), (3641, 5474), (4301, 4634)]