19668286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1296

約数の個数: 32

約数和(自身を含む): 34898688

約数和(自身を除く): 15230402

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1223, 1462, 2446, 8041, 13453, 16082, 20791, 26906, 41582, 52589, 105178, 228701, 457402, 578479, 894013, 1156958, 1788026, 9834143, 19668286]

約数ペア:

[(1, 19668286), (2, 9834143), (11, 1788026), (17, 1156958), (22, 894013), (34, 578479), (43, 457402), (86, 228701), (187, 105178), (374, 52589), (473, 41582), (731, 26906), (946, 20791), (1223, 16082), (1462, 13453), (2446, 8041)]