19570551

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 80

約数和(自身を含む): 37645440

約数和(自身を除く): 18074889

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 49, 57, 77, 91, 133, 143, 147, 209, 231, 247, 273, 343, 399, 429, 539, 627, 637, 741, 931, 1001, 1029, 1463, 1617, 1729, 1911, 2401, 2717, 2793, 3003, 3773, 4389, 4459, 5187, 6517, 7007, 7203, 8151, 10241, 11319, 12103, 13377, 19019, 19551, 21021, 26411, 30723, 31213, 36309, 45619, 49049, 57057, 71687, 79233, 84721, 93639, 133133, 136857, 147147, 215061, 254163, 343343, 399399, 501809, 593047, 931931, 1030029, 1505427, 1779141, 2795793, 6523517, 19570551]

約数ペア:

[(1, 19570551), (3, 6523517), (7, 2795793), (11, 1779141), (13, 1505427), (19, 1030029), (21, 931931), (33, 593047), (39, 501809), (49, 399399), (57, 343343), (77, 254163), (91, 215061), (133, 147147), (143, 136857), (147, 133133), (209, 93639), (231, 84721), (247, 79233), (273, 71687), (343, 57057), (399, 49049), (429, 45619), (539, 36309), (627, 31213), (637, 30723), (741, 26411), (931, 21021), (1001, 19551), (1029, 19019), (1463, 13377), (1617, 12103), (1729, 11319), (1911, 10241), (2401, 8151), (2717, 7203), (2793, 7007), (3003, 6517), (3773, 5187), (4389, 4459)]