19351376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2619

約数の個数: 40

約数和(自身を含む): 41869344

約数和(自身を除く): 22517968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2557, 3784, 5114, 7568, 10228, 20456, 28127, 40912, 56254, 109951, 112508, 219902, 225016, 439804, 450032, 879608, 1209461, 1759216, 2418922, 4837844, 9675688, 19351376]

約数ペア:

[(1, 19351376), (2, 9675688), (4, 4837844), (8, 2418922), (11, 1759216), (16, 1209461), (22, 879608), (43, 450032), (44, 439804), (86, 225016), (88, 219902), (172, 112508), (176, 109951), (344, 56254), (473, 40912), (688, 28127), (946, 20456), (1892, 10228), (2557, 7568), (3784, 5114)]