19257784

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3779}}^1$

素因数の和:3812

約数の個数: 48

約数和(自身を含む): 45246600

約数和(自身を除く): 25988816

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3779, 5096, 7558, 15116, 26453, 30232, 49127, 52906, 98254, 105812, 185171, 196508, 211624, 343889, 370342, 393016, 687778, 740684, 1375556, 1481368, 2407223, 2751112, 4814446, 9628892, 19257784]

約数ペア:

[(1, 19257784), (2, 9628892), (4, 4814446), (7, 2751112), (8, 2407223), (13, 1481368), (14, 1375556), (26, 740684), (28, 687778), (49, 393016), (52, 370342), (56, 343889), (91, 211624), (98, 196508), (104, 185171), (182, 105812), (196, 98254), (364, 52906), (392, 49127), (637, 30232), (728, 26453), (1274, 15116), (2548, 7558), (3779, 5096)]