19221774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 46303488

約数和(自身を除く): 27081714

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 43, 66, 78, 86, 129, 143, 258, 286, 429, 473, 521, 559, 858, 946, 1042, 1118, 1419, 1563, 1677, 2838, 3126, 3354, 5731, 6149, 6773, 11462, 12298, 13546, 17193, 18447, 20319, 22403, 34386, 36894, 40638, 44806, 67209, 74503, 134418, 149006, 223509, 246433, 291239, 447018, 492866, 582478, 739299, 873717, 1478598, 1747434, 3203629, 6407258, 9610887, 19221774]

約数ペア:

[(1, 19221774), (2, 9610887), (3, 6407258), (6, 3203629), (11, 1747434), (13, 1478598), (22, 873717), (26, 739299), (33, 582478), (39, 492866), (43, 447018), (66, 291239), (78, 246433), (86, 223509), (129, 149006), (143, 134418), (258, 74503), (286, 67209), (429, 44806), (473, 40638), (521, 36894), (559, 34386), (858, 22403), (946, 20319), (1042, 18447), (1118, 17193), (1419, 13546), (1563, 12298), (1677, 11462), (2838, 6773), (3126, 6149), (3354, 5731)]