19113978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 23433702

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 179, 222, 358, 481, 537, 962, 1074, 1369, 1443, 2327, 2738, 2886, 4107, 4654, 6623, 6981, 8214, 13246, 13962, 17797, 19869, 35594, 39738, 53391, 86099, 106782, 172198, 245051, 258297, 490102, 516594, 735153, 1470306, 3185663, 6371326, 9556989, 19113978]

約数ペア:

[(1, 19113978), (2, 9556989), (3, 6371326), (6, 3185663), (13, 1470306), (26, 735153), (37, 516594), (39, 490102), (74, 258297), (78, 245051), (111, 172198), (179, 106782), (222, 86099), (358, 53391), (481, 39738), (537, 35594), (962, 19869), (1074, 17797), (1369, 13962), (1443, 13246), (2327, 8214), (2738, 6981), (2886, 6623), (4107, 4654)]