18982574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 33003936

約数和(自身を除く): 14021362

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 641, 871, 1139, 1282, 1742, 2278, 8333, 10897, 14807, 16666, 21794, 29614, 42947, 85894, 141661, 283322, 558311, 730099, 1116622, 1460198, 9491287, 18982574]

約数ペア:

[(1, 18982574), (2, 9491287), (13, 1460198), (17, 1116622), (26, 730099), (34, 558311), (67, 283322), (134, 141661), (221, 85894), (442, 42947), (641, 29614), (871, 21794), (1139, 16666), (1282, 14807), (1742, 10897), (2278, 8333)]