19166212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1021}}^1$

素因数の和:1076

約数の個数: 36

約数和(自身を含む): 38159436

約数和(自身を除く): 18993224

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1021, 1444, 2042, 4084, 4693, 9386, 13273, 18772, 19399, 26546, 38798, 53092, 77596, 252187, 368581, 504374, 737162, 1008748, 1474324, 4791553, 9583106, 19166212]

約数ペア:

[(1, 19166212), (2, 9583106), (4, 4791553), (13, 1474324), (19, 1008748), (26, 737162), (38, 504374), (52, 368581), (76, 252187), (247, 77596), (361, 53092), (494, 38798), (722, 26546), (988, 19399), (1021, 18772), (1444, 13273), (2042, 9386), (4084, 4693)]