19744582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 18575546

約数列:

[1, 2, 11, 13, 17, 22, 26, 31, 34, 62, 131, 143, 187, 221, 262, 286, 341, 374, 403, 442, 527, 682, 806, 1054, 1441, 1703, 2227, 2431, 2882, 3406, 4061, 4433, 4454, 4862, 5797, 6851, 8122, 8866, 11594, 13702, 18733, 24497, 28951, 37466, 44671, 48994, 52793, 57902, 69037, 75361, 89342, 105586, 138074, 150722, 318461, 580723, 636922, 759407, 897481, 1161446, 1518814, 1794962, 9872291, 19744582]

約数ペア:

[(1, 19744582), (2, 9872291), (11, 1794962), (13, 1518814), (17, 1161446), (22, 897481), (26, 759407), (31, 636922), (34, 580723), (62, 318461), (131, 150722), (143, 138074), (187, 105586), (221, 89342), (262, 75361), (286, 69037), (341, 57902), (374, 52793), (403, 48994), (442, 44671), (527, 37466), (682, 28951), (806, 24497), (1054, 18733), (1441, 13702), (1703, 11594), (2227, 8866), (2431, 8122), (2882, 6851), (3406, 5797), (4061, 4862), (4433, 4454)]