19388116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4951}}^1$

素因数の和:5055

約数の個数: 24

約数和(自身を含む): 37437120

約数和(自身を除く): 18049004

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 4951, 9902, 19804, 54461, 108922, 217844, 440639, 881278, 1762556, 4847029, 9694058, 19388116]

約数ペア:

[(1, 19388116), (2, 9694058), (4, 4847029), (11, 1762556), (22, 881278), (44, 440639), (89, 217844), (178, 108922), (356, 54461), (979, 19804), (1958, 9902), (3916, 4951)]